Definition of biff in US English:



[with object]informal
  • Strike (someone) roughly or sharply with the fist.

    ‘he biffed me on the nose’
    • ‘I blocked the first few of his punches with my arms and the mop, but he eventually got the best of me and biffed me in the chest so hard that I doubled over in pain, short of breath, dropping the mop to the deck.’
    • ‘I jumped on the bed, and began to biff him with a pillow.’
    • ‘He began to nod, but Charles biffed him in the arm.’
    • ‘But I don't go around biffing people, certainly not.’
    • ‘She huffed, and biffed me over the head with a chocolate bar.’
    • ‘Did they embrace him because, secretly, they would all like to biff the paparazzi?’
    • ‘‘It's just as well he went because if I had got hold of him I would have biffed him over the head with a saucepan or something similar,’ he said.’
    • ‘Then I thought, it's either him or me, so I biffed him in the face three times.’
    • ‘First, why does a civilised society tolerate a system by which thugs are, in effect, authorised to biff people?’
    • ‘I opened the door and saw my two four-year-old twins biffing each other in the head with a foam baseball bat.’
    • ‘Maybe the object is not to get biffed on the nose?’
    • ‘Whereas now, if somebody assaulted a member of my family, for example, I wouldn't go round and biff them, I'd take them to court.’
    • ‘Needless to say, the story grew over time, that Jimmy biffed about 10 players that day, with nobody getting near him.’
    • ‘I would have thought it would be pretty cut and dried when one biffs a senior citizen down the stairs.’
    • ‘That means, of course, we would go back to the olden days when we, the public, knew who to biff if something went wrong.’
    strike, slap, smack, cuff, punch, beat, thrash, thump, batter, belabour, drub, hook, pound, smash, slam, welt, pummel, hammer, bang, knock, swat, whip, flog, cane, sucker-punch, rain blows on, give someone a beating, give someone a drubbing, give someone a good beating, give someone a good drubbing, box someone's ears
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  • A sharp blow with the fist.

    • ‘Even without an accident, standing passengers who lose their balance can and do unintentionally inflict pain on others with a biff from an elbow, a blow from a briefcase and the crushing of toes from staggering feet.’
    • ‘"Don't cry! He hates babies. He only gives three biffs the first time. If you start bawling, he'll give you more!"’
    • ‘He then lifted his hand and gave him a biff over the head.’
    • ‘A first biff blocked, he was undaunted as the rebound sat up for him to send a screamer into the top corner.’
    • ‘Then I walked in, grabbed one of the aggressors and gave him a biff.’
    • ‘I gave him a biff on the nose and he turned nasty.’
    • ‘He gave her a biff on the face when she tried to muscle in on his games.’
    • ‘I suddenly felt a biff on the back of the neck and my neck became cold and wet.’
    • ‘The next moment he felt an extreme biff on his right upper-leg and the cold iron of a horseshoe pressed deep and hard in his flesh.’
    • ‘Rugby is the all-time leader in biffs and bangs and broken bones, but you don't often die.’
    blow, hit, knock, thump, thwack, box, jab, fist, cuff, clip, smash, slam, welt, straight, uppercut, hook, body blow
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Mid 19th century (originally US): symbolic of a short sharp movement.