whap

1. (US, transitive) To strike hard and suddenly.UStransitive

2. (US, intransitive) To throw oneself quickly, or by an abrupt motion; to turn suddenly.Examples: "1844, Thomas Chandler Haliburton, Judge Haliburton’s Yankee Stories, Part Two, Chapter 22, Philadelphia: Lindsay & Blakiston, pp. 179-180, He wears his hat a little a one side, rakish-like, whaps his cane down ag’in the pavement hard, as if he intended to keep things in their place, swaggers a few, as if he though he had a right to look big […]"; "TO WHAP OVER. To turn over. (New England.)"; "And at last, as they wrestled and whapped together, they fell headlong in the stream."USintransitive

1. (Scotland, obsolete) The curlew, Numenius arquata; a whaup.Scotlandobsolete

1. (US, education) Initialism of Advanced Placement World History.USabbreviationalt-ofinitialism