Whap
Whap , intransitive verb
[Compare Old English quappen to palpitate, English quob, quaver, wabble, awhape, wap.]
To throw one's self quickly, or by an abrupt motion; to turn suddenly; as, she whapped down on the floor; the fish whapped over. — Bartlett
This word is used adverbially in the north of England, as in the United States, when anything vanishes, or is gone suddenly; as, whap went the cigar out of my mouth.
Also: Whop
Whap , transitive verb
To beat or strike.
Also: Whop
Whap , noun
A blow, or quick, smart stroke.
Also: Whop