Synonyms of biff

1 Syllable
knock, slap, whop, pound, slug, swat, lick, whomp, hit, thwack, crack, boff, wham, clout, belt, cuff, punch, smack, whack
2 Syllables
punching, boffing, beaning, beaned, braining, lollop, swatting, strike, cuffing, cuffed, larrup, wallop, belted, brained, swatted
3 Syllables
roundhouse, one-two, blindside, attacking, uppercut, larruped