1 definition by Grigdanus

Top Definition
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 07, 2006

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