(photography) Initialism of bird in flight.

simple past tense and past participle of biff

present participle of biff

(informal) A hitting or punching.

(LGBT, slang) A public restroom.

plural of biffing

(biology) A division into two branches. / (by extension) Any place where one thing divides into two. / The act of bifurcating; branching or dividing in two.

Divided or forked into two; bifurcated. / Having bifurcations.

(intransitive) To divide or fork into two channels or branches. / (transitive) To cause to bifurcate.

(informal) A sudden, sharp blow or punch. / (informal, sports) A wipeout.