1 definition by Andy Kuy

Top Definition
NRB
(pronounced "nerb") No reason boner
Dan had a huge NRB when he was in bio class while the professor was talking about meosis.
#boner #erection #pitching a tent #moring glory #morning wood #hard on #chubby #stiffy
by Andy Kuy January 27, 2008
19 20
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© 1999-2018 Urban Dictionary ®
advertise   terms of service
privacy   dmca   remove   help