• Webster's Revised Unabridged Dictionary
    • v. i Quop kwŏp See Quob.
    • ***
Chambers's Twentieth Century Dictionary
    • v.i Quop kwop to move: to throb, as the heart
    • Quop Also Quab, Quap
    • ***


In literature:

His heart quopped softly.
"Ulysses" by James Joyce
About midday two Englishmen arrived from the Quop River, nearer to Kuching, where they had been with the Rajah.
"Sketches of Our Life at Sarawak" by Harriette McDougall
In due time we reached Quop, the highest point to which large vessels can ascend from the sea.
"The Last Voyage" by Lady (Annie Allnutt) Brassey