Same word as zinger:

bang, bat, bell-ringer, belt, blow, bonk, box, buffet, butt, chop, clash, clip, clout, collision, cuff, fisticuff, glance, impact, knock, lick, one-two punch, paste, pat, plunk, punch, rap, roundhouse, shock, shot, slap, slog, smack, smash, sock, spank, stroke, swat, swing, swipe, tap, uppercut, wallop, whammy, whop, zap, zinger