• WordNet 3.6
    • v boo show displeasure, as after a performance or speech
    • n boo a cry or noise made to express displeasure or contempt
    • ***
Century Dictionary and Cyclopedia
    • boo Same as bo.
    • n boo Same as bu.
    • ***
Chambers's Twentieth Century Dictionary
    • interj Boo bōō a sound expressive of disapprobation or contempt
    • v.i Boo to utter 'boo!' to hoot
    • ***


  • Jacques Plante
    Jacques Plante
    “How would you like a job where when you made a mistake, a big red light goes on and 18,000 people boo?”


Yah boo sucks - Yah boo & yah boo sucks can be used to show that you have no sympathy with someone.


In literature:

I guess nobody said 'boo' to us down to St. Peter, eh?
"A Little Norsk; Or, Ol' Pap's Flaxen" by Hamlin Garland
She just slumped into her corner and switched on the boo-hoos like a girl that's been kept after school.
"Shorty McCabe" by Sewell Ford
I've pulled a boo-boo, but big.
"Question of Comfort" by Les Collins
With shrinking hands Ne-boo caught it, to drop it instantly with a yell of pain and terror.
"In the Morning of Time" by Charles G. D. Roberts
Put its boo'ful head on Margy-wargy's shojer.
"In a Little Town" by Rupert Hughes
The crowd booed and shouted at him, and he was spat upon.
"Ireland as It Is" by Robert John Buckley (AKA R.J.B.)
Lennox had never so much as said boo!
"The Paliser case" by Edgar Saltus
When I heard this, I rose up in bed, covered my face with both hands, and just boo-hooed out a crying.
"Phemie Frost's Experiences" by Ann S. Stephens
The Bishop of London was booed as a slacker.
"The Cup of Fury" by Rupert Hughes
I've been Tchee-mah-boo-eh's Madonna for the last time.
"Aurora the Magnificent" by Gertrude Hall

In poetry:

Under the turf where the daisies grew
They planted John and his sister Sue,
And their little souls to the angels flew,—
Boo hoo!
"The Little Peach" by Eugene Field
One day there was grief in the crew,
For they hadn't a morsel of meat,
Was dying for something to eat -
"Come, provide me with something to eat!
"King Borria Bungalee Boo" by William Schwenck Gilbert
Hashishes from Morocco
Hemp smokers from Peru
And the Shashnicks from Bagoon, who smoke the deadly Pugaroo
And those who call it 'Light of Life'
And those that call it 'Boo'
"The Worlds Greatest Smoke Off" by Shel Silverstein
And he answered, "Oh, BUNGALEE BOO,
For a moment I hope you will wait, -
Is the Queen of a neighbouring state -
A remarkably neighbouring state.
"King Borria Bungalee Boo" by William Schwenck Gilbert
But as I watched — once more I heard the maid.
Chant to the world without her simple boo n.
And once again the Painter paused to hear —
For who can labour in the summer noon ?
"Noon" by R S Ward
"It's a Snark!" was the sound that first came to their ears,
And seemed almost too good to be true.
Then followed a torrent of laughter and cheers:
Then the ominous words "It's a Boo-"
"The Hunting Of The Snark " by Lewis Carroll

In news:

Last night we had the drawing at " Prime " in Downtown Lafayette for the " Money Boo Boo " promotion where we are paying someone's bills for the REST OF THE YEAR.
Boo Boo is getting better.
Honey Boo Boo Style ENJOY.
'Honey Boo Boo' star arrested for going ape on Georgia Freeway .
Here Comes Honey Boo Boo Marathon – Nov 21 at 6pm-Nov 22 at 6am on TLC.
This makes a lot of sense — it's a sculpture of Honey Boo Boo, made out of 25 pounds of garbage .
Here Comes Honey Boo Boo Child, made out of 25lbs of garbage .
Honey Boo Boo has a new pet chicken that she's named Nugget.
Insiders, say that Honey Boo Boo plans on changing the chicken's name to Dinner.
To paraphrase Rex Ryan, boo boo boo.
'Honey Boo Boo' too much glare on too young a child.
Not only do fans boo at Philadelphia Eagles games, but also Punxsutawney Phil got booed.
Ready or not, " Here Comes Honey Boo Boo ".
At my daughter's preschool, there's occasionally a"boo-boo report" in her cubby at the end of the day.
There are tons of things we don't know, like why Evil Baby is so terrifying or how Honey Boo Boo landed a hit TV show.

In science:

For the problem of computing the power of a bootstrap test, some dedicated algorithms exists, such as that suggested by Boos and Zhang (2000).
Sequential Implementation of Monte Carlo Tests with Uniformly Bounded Resampling Risk
Even so, daily aliases are problematic, especially because some of the modes in η Boo appear to be shifted by avoided crossings.
Asteroseismology from solar-like oscillations
The first spaced-based observations of η Boo, made with the MOST satellite, have generated considerable controversy.
Asteroseismology from solar-like oscillations
Models of η Boo based on the combination of MOST and ground-based frequencies have been made by Straka et al. (2006).
Asteroseismology from solar-like oscillations
With the benefit of hindsight, we can now say that η Boo was the first star for which the large separation and individual frequencies were measured.
Observations of solar-like oscillations