What is F.n.r.b.?
1.
For No Reason Boner
Used often when one wants to discreetly express the fact that he is currently experiencing a boner for no apparent reason at all.
Dude 1: They just called your name... go get that diploma.
Dude 2: Shit. I don't know what to do. I've got a F.N.R.B.!
Dude 1: Ouch. Bad timing
See
