whack
vb
1 bang, bash (informal) beat, belabour, belt (informal) box, buffet, chin (slang) clobber (slang) clout (informal) cuff, deck (slang) hit, lambast(e), lay one on (slang) rap, slap, slug, smack, sock (slang) strike, thrash, thump, thwack, wallop (informal)
n
2 bang, bash (informal) belt (informal) blow, box, buffet, clout (informal) cuff, hit, rap, slap, slug, smack, sock (slang) stroke, thump, thwack, wallop (informal) wham
3 (informal) allotment, bit, cut (informal) part, portion, quota, share
4 (informal) attempt, bash (informal) crack (informal) go (informal) shot (informal) stab (informal) try, turn