wham

wham
    v 1: hit hard; "The teacher whacked the boy" [syn: {whack},
         {wham}, {whop}, {wallop}]
    

70 Moby Thesaurus words for "wham":
      bang, bash, bat, belt, biff, blast, bonk, boom, bump, burst, bust,
      clap, clash, clip, clobber, clout, clump, coldcock, crack, crash,
      crump, cut, dash, deal, deal a blow, deck, fetch, fetch a blow,
      flap, flop, hit, hit a clip, jab, knock, knock cold, knock down,
      knock out, let have it, paste, plunk, poke, punch, rap, report,
      slam, slap, slat, slog, slug, smack, smash, smite, snap, soak,
      sock, splat, strike, strike at, swap, swat, swipe, tap, thump,
      thwack, wallop, whack, whap, whomp, whop, yerk