wham

I

(Roget's IV) n.

Syn. hit, knock, whack; see blow 1 .

II

(Roget's Thesaurus II) I noun 1. A sudden sharp, powerful stroke: bang, blow2, clout, crack, hit, lick, pound, slug3, sock, swat, thwack, welt, whack, whop. Informal: bash, biff, bop, clip1, wallop. Slang: belt, conk, paste. See ATTACK, STRIKE. 2. A forceful movement causing a loud noise: bang, crash, slam, smash. See STRIKE. II verb To deliver a powerful blow to suddenly and sharply: bash, catch, clout, hit, knock, pop1, slam, slog, slug3, smash, smite, sock, strike, swat, thwack, whack, whop. Informal: biff, bop, clip1, wallop. Slang: belt, conk, paste. Idioms: let someone have it, sock it to someone. See ATTACK, STRIKE.