Top definition
(BEE-nahmf)

Boys Night Out, Mother Fucker

When describing your plans for the night when such plans include going out with the guys, getting drunk, being loud, and blasting Judas Priest's "Breaking the Law" on repeat.
"Hey what are your plans this evening?"

"Oh just getting together with some of the guys for a little BNOMF."

"Oh god..."
by docshock September 24, 2011
Get the mug
Get a BNOMF mug for your daughter-in-law Helena.