Top Definition
NO Reason Boner
Popular among thirteen year old boys.
I got a NORB during gym class and had to goto the nurse for her to rub ointment on it.
by Shamen September 02, 2003

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Creature that runs naked through the Savanah. Comes in three different genders.
Wow, did you see that Norb run?
by LVS April 06, 2009

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Robust round testicles
Hey Rod I had Father Nelson's norbs bouncing on my chin just before he hit the vinegar stroke and blew his love custard on my chest.
by Bing Tockley January 13, 2009

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Abbreviation for "nice orbs", pertaining to boobs, breasts, tatas, etc. Word is most commonly used in online conversation, but is often used in everyday conversation too.
My God, that girl has some amazing norbs!
by estabanismoi November 30, 2014

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short for "no reason boner", those annoying woodies that pop up for no apparent reason
Dude 1: Dude, what's that in your pants?

Dude 2: Oh sorry, it's just a stupid norb
by joeswam July 24, 2011

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NORB= No Obvious Reason Boner
alrite calm down dont get a NORB
by alkaner January 01, 2010

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Derived from the word noob norb is an inexperienced or new player of the on-line games hosted at FunOrb. FunOrb is made by Jagex who also make the successful mmorpg RuneScape where the original term noob is widely used.
He's not on any of the high scores list yet - I guess he's a bit of a norb.
by Alan Chambers March 13, 2008

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