an acronym that stands for a "No-Apparent-Reason-
Boner", often occuring among middle-schoolers and sometimes
high-schoolers. the N.A.R.B. can be hidden if
one knows the proper techniques
Dude i got a wicked narb in english class
today.
My sweat pants are revealing my enormous NARB.
The word Narb means no apparent reason
boner. I had such a
huge throbbing narb today!