1 definition by Matt Greco

n. Derived from the ancient Roman acronym "BFNR" meaning "Boner For No Reason". A bifner usually occurs in non-sexual situations without warning and can last indefinitely. There are various methods for removing the bifner but the best is giving it time.
Correct Usage:"The other day I was watching the View and I got a massive bifner."

"I was sitting in Math class and I got a bifner."

Incorrect Usuage:"Out of nowhere I got a bifner." The definition of bifner already covers the unexpectedness.
by Matt Greco July 31, 2006
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