| Date: | 1800-1900 |
| Origin: | Probably from the sound of hitting |
| |||||||||
biff1

1 [transitive] old-fashioned informal to hit someone hard with your fist [= thump]:
He biffed me on the nose.
He biffed me on the nose.2 [intransitive] informal to fall or hit something when riding a bicycle, snowboard etc
—biff noun [countable]
