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Define Nrb Meaning

Nrb
no reason boner. when you get an erection for no logical reason.

a: why do you have your hands in your pockets when you could be playing catch with us?
b: nrb, man...nrb.
By Ailey
Nrb
No reason Boner

dude I was just sittin around and i got a nrb
By Betsy
Nrb
No Reason Boner. When a stupid 12-year-old pops a chubby, and its really embarrassing for them, because no one can see the bulge cos they haven't hit puberty yet. And its really annoying when they just say NRB, like its a great joke, over and over and over again.

Stupid kid No.1: NRB
By Lani
Nrb
No Reason Boner, an "erection" psh lets just called it a frikin woody that occurs without reason or cause or any foreplay, psh lets just call it masturbation

I was just like sittin there dude, watching tv, when this chick sat on my NRB.
By Ariadne
NRB
Short for "No Reason Boner." Generally, an erection that has no inherent cause other than a young man's hormones going crazy. The term is usually used to clear sexual tension when other prepubescent boys notice a bulge originating in your crotch area.

"For Christ's sake Dave."

"heh heh...::nervous laughter:: talk about a NRB. I sure hope the 10th graders don't see me."
By Karel
NRB
Noun. NRB ( No Reason Boner)
This is what all male humans experience spontaneously, occuring from the early ages of adolesence to even in some rare cases senilty. NRB can attack men unkowningly, silently, and suddenly causing possible embarassing situations or even discomfort.

Zach was wearing basketball shorts walking to third period when he suddenly got an NRB and caused laughter and jeering from students around him.
By Carlota
NRB
No Reason Boner

I was sitting in class when I got a huge NRB.
By Augustina
NRB
A No Reason Boner, or an erection that seems to appear from no where. Lest it be in school while doing calculus, in church, or while watching a Pepsi ad. It may not have any meaning at face value, but you know some where in the dark corners of your mind you were thinking about how hot it would be if Jesus titty fucked a differential equation using Pepsi as the lube.

Bro 1: Dude I got the gnarliest NRB last period. I have no clue why I even got hard.
Bro 2: Sure..."No Reason" my ass.
By Frankie
NRB
No Reason Boner.......

Phil cracked an NRB in class.
By Lisabeth
NRB
NRB stands for No Reason Boner. Obviously, it's a boner you get for no apparent reason. It can happen at any moment in time.

I was walking to the front of the classroom when ... SHIT! I got an NRB
By Gill