All hat, no cattle - (USA) When someone talks big, but cannot back it up, they are all hat, no cattle.('Big hat, no cattle' is also used.)
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At the drop of a hat - If you would do something at the drop of a hat, you'd do it immediately.
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Eat my hat - People say this when they don't believe that something is going to happen e.g. 'If he passes that exam, I'll eat my hat!'
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Hang your hat on (something) - To depend on OR believe in something.
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Hat trick - Three successes one after the other is a hat trick.
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Home is where you lay your hat - Wherever you are comfortable and at ease with yourself is your home, regardless where you were born or brought up.('Home is where you lay your head' and 'Home is where you hang your hat' are also used.)
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I'll eat my hat - You can say this when you are absolutely sure that you are right to let the other person know that there is no chance of your being wrong.
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Keep it under your hat - If you keep something under your hat, you keep it secret.
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Knock into a cocked hat - If you knock something or someone into a cocked hat, you are much better.
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Old hat - If something's old hat, it seems rather old fashioned and dated.
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Pass the hat - If you pass the hat, you ask a people in a group to give money.
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Pull a rabbit out of your hat - If you pull a rabbit out of a hat, you do something that no one was expecting.
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Take your hat off - If you say that you take your hat off to someone, you are showing your respect or admiration.
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Take your hat off to somebody - If you take your hat off to someone, you acknowledge that they have done something exceptional or otherwise deserve your respect.
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Talk out of your hat - If someone is talking out of their hat, they're talking utter rubbish, especially if compounded with total ignorance of the subject on which they are pontificating. ('Talk through your hat' is also used.)
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In literature:
In the afternoon Dorinda put on her best dress and hat and started out.
"Lucy Maud Montgomery Short Stories, 1905 to 1906" by Lucy Maud Montgomery
It was a dandy house, with a nice big wide hall and it had a moose's head for a hat rack.
"Roy Blakeley's Bee-line Hike" by Percy Keese Fitzhugh
So busy was she with her hat that she could not see who it was.
"Stubble" by George Looms
We led him into the lounging-room in silence, and he sat down twirling his straw hat.
"At Good Old Siwash" by George Fitch
Then he removed the pin from her hat, and laid the hat tenderly to one side.
"The Goose Man" by Jacob Wassermann
It was the young man in the Alpine hat.
"The Manxman A Novel - 1895" by Hall Caine
But Tabs had his own problem, and one question in particular about a hat on the hall-table that he was burning to ask.
"The Kingdom Round the Corner" by Coningsby Dawson
Why, some day, Mr. Kemble, I expect to pay eight dollars for a hat, for just one hat.
"Little Lost Sister" by Virginia Brooks
So she went calmly on with her work; cut and fitted the hat lining, and carefully sewed it in the hat.
"Patty's Success" by Carolyn Wells
When she comes out you are to touch your hat and say, 'This is the carriage from The Dales.
"Girls of the Forest" by L. T. Meade
Silk hats, Derbies, and Alpines or soft-felt hats should never be brushed with a whisk broom.
"The Complete Bachelor" by Walter Germain
He wished himself a thousand miles away, and took a final grip on the hat he was holding.
"The Opened Shutters" by Clara Louise Burnham
He had run away, plainly, for he had on neither overcoat nor hat.
"Frank of Freedom Hill" by Samuel A. Derieux
He lifted his bronzed and hairy hand to the rim of his straw hat to shade his eyes from the sun.
"A Son of Hagar" by Sir Hall Caine
Dalrymple took off his hat and stooped low to enter through the small side-door.
"Casa Braccio, Volumes 1 and 2 (of 2)" by F. Marion Crawford
Once father's Sunday-school class gave him a high silk hat.
"Fairy Prince and Other Stories" by Eleanor Hallowell Abbott
Well, the children ran out and dug a big pail of hat ashes with the hat ashes shovel.
"Rootabaga Stories" by Carl Sandburg
Guss stood for a moment looking at them, and Jack De Baron took off his hat.
"Is He Popenjoy?" by Anthony Trollope
With his hat, a hat studiously selected, made to order, Paliser motioned and with the same studiousness, selecting a platitude, he produced it.
"The Paliser case" by Edgar Saltus
At four she put on a smart mourning hat and her black furs, and walked down to see the bank president, Mr. Pawling.
"The Crimson Tide" by Robert W. Chambers
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In poetry:
Away went Gilpin, neck or nought;
Away went hat and wig;
He little dreamt, when he set out,
Of running such a rig.
"The Diverting History Of John Gilpin, Showing How He Went Farther Than He Intended, And Came Safe Ho" by William Cowper
A little remained of light
caught inside the hat.
In the eyes of the pimp
a little remained of tenderness,
very little.
"Residue" by Carlos Drummond de Andrade
His hat made of an oaken leaf,
His shirt a spider's web,
Both light and soft for those his limbs
That were so smally bred.
"The Life And Death Of Tom Thumb" by Anonymous British
The Tyrolean's hat is smart,
He yodels and is light of heart;
His yodelling is very sweet;
His stockings haven't any feet.
"Little People: An Alphabet" by Thomas William Hodgson Crosland
Sweet, why do you plead me, then,
Who have bled so sore of that?
Could I bear it once again? . . .
Drop a hat, dear, drop a hat!
"The Burned Child" by Dorothy Parker
Whence straight he came with hat and wig;
A wig that flow’d behind,
A hat not much the worse for wear,
Each comely in its kind.
"The Diverting History Of John Gilpin, Showing How He Went Farther Than He Intended, And Came Safe Ho" by William Cowper
In news:
It's time to wear the cowboy hat .
Gary Sommer hangs up cowboy hat as lawyer for Syracuse University students.
Lincoln Park bank robbed by man in cowboy hat .
Ashton Kutcher Breaks Out Cowboy Hat Again for Kenny's Show.
Virginia Tech's Greenberg was not on SMU's radar and wouldn't rock a cowboy hat .
Jason Aldean is letting you wear his cowboy hat .
Wearing a cowboy hat , a bohemenian shirt and pulling her suitcase behind her, the Welsh actress looked like was off to the Wild West as she smiled to her assistant who helped her into a waiting car.
He recently decided to start appearing in public without said hat.
Cowboy hat or not, it's not that easy.
Anywhere you hung your hat, there was plenty to do in North Fulton.
Seth Johnson / Daily Journal: Sandy Kaiser of Create it Yourself, works an embroidery design on a hat 0828.OTR.EL.
Using Facebook and Etsy, an online marketplace for crafts, the Farmer City grandmother has sold more than 1,000 crocheted hats since last October.
He then completed the hat trick by winning both the Belgian national enduro and trials titles.
At Trinity Elementary School in Southeast Los Angeles, a group of fifth-grade girls donning wide-brimmed hats sat down for a spot of afternoon tea.
The Odessa American did stories about the missing hat.
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In science:
The hat on Gl denotes the maximum Riemannian submanifold of Gl(Nf + 1|1), and Str stands for the supertrace.
Random Matrix Theory and Chiral Symmetry in QCD
In [BGHM] it was proved for partially modiﬁed hierarchies, t hat is for any s such that sh < s < sw .
Solutions to WDVV from generalized Drinfeld-Sokolov hierarchies
The hat above the vectors denotes normalized vectors.
Transport mean free path for Magneto-Transverse Light Diffusion: an alternative approach
Note also that φ(q) is the Mexican hat wavelet for n = 2 and γ = 2.
On Optimal Detection of Point Sources in CMB Maps
Here Ψ coincides with the Mexican hat wavelet.
On Optimal Detection of Point Sources in CMB Maps
They are deﬁned via a Hamiltonian t hat stems from the generating matrix of the classical continuous random walk.
Quantum Random Walks Hit Exponentially Faster
Thus, without loss of generality, we can choose units with σ = 1 and ˜B = 1 (and remove the hats).
Embedding a Native State into a Random Heteropolymer Model: The Dynamic Approach
For this one may just use the ‘hatted’ quantities in (36) and (37), since the rescaling (41) does not inﬂuence the leading order parts in the 1/r expansion of K , which alone contribute to these integrals.
Close encounters of black holes
Under the questionable assumption t hat turbulent resistivity completely reconnects ﬁeld lines on the time scale lB/u, where u is the rms turbulent velocity, we ﬁnd that kT is enhanced by a moderate amount relative to the static-ﬁeld estimate for typical cluster conditions.
Thermal conduction and particle transport in strong MHD turbulence, with application to galaxy-cluster plasmas
It follows that, if the “hat” symbols are omitted, then the remaining “bar” symbols give a reduced form expression of the fundamental group word of p.
Random Surfaces
Also, in between a pair of “bar” symbols, the hat symbol sequence is completely determined by the rules of the above paragraph.
Random Surfaces
Since the top-hat model properly describes the (dissipationless) collapse of the DM component, it is not surprising that it cannot be accurately applied for predicting the properties of the baryonic (dissipative) matter where it is dominant.
The scaling relations of galaxy clusters and their dark matter halos
The reduced complexity ΣR (α) it is particularly interesting because it hat been conjecture that it should vanishes at the critical point αc .
On the probabilistic approach to the random satisfiability problem
Following Refs. [4, 14], for stability we add to the Hamiltonian a sum of single site terms Pi V (~si ), so that, at each site, a Mexican hat potential V (~si ) = −a |~si |2 /2 + b |~si |4 /4 prevents the spin from diverging.
Critical Hysteresis from Random Anisotropy
Mexican hat potential in addition to a random potential represented by VD (r).
Bose-Einstein condensate of two-dimensional excitons in a ring: Necklace-like modulation of order parameter
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