vt to beat or strike.
2. whop ·noun a blow, or quick, smart stroke.
3. whop ·noun ·same·as whap.
4. whop ·vt ·same·as whap.
5. whop ·vi 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.