1 definition by Grigdanus
NARB- N. No Apparent Reason Boner. When a male individual becomes sexually aroused for absolutley no apparent reason, and cannot make his penis heel on command.
I was sitting in math class day dreaming when I suddenly felt a NARB growing, of course I was called to the board immediatley after the NARB took full form
by Grigdanus August 7, 2006