biff

Etymology

Onomatopoeic.

noun

1. (informal) A sudden, sharp blow or punch.
   "Hit him a biff," said the Big Man. 1945, C. S. Lewis, The Great Divorce
2. (informal, sports) A wipeout.

verb

1. (informal, transitive) To punch or hit.
2. (New Zealand, slang, transitive) To discard; to throw out; to throw away.
3. (informal, sports) To wipe out; to faceplant; to fall.

intj

1. The sound of a person being punched or hit.
   Whap, Biff, Ooooof, Sock, Pow, Zok! Batman is back. Gotham City is again leaving its law and order in the hands of a man who wears plastic underpants over his tights. 5 Jun 1989, The Canberra Times, Australia Capital Territory, page 10, column 2