whap

1. to throw one’s self quickly, or by an abrupt motion
to turn suddenly
(eg. she whapped down on the floor
the fish whapped over), 2. to beat or strike, 3. a blow, or quick, smart stroke, also: bwak, bwok, glok, klam, klok, shwap, thwogg, whack, wham, wap, whap, whop, whump