The process of concealing an erection by securing it to the body with the waistband from an undergarment or pants.
I accidentally got a boner when we were watching the video on herpes in class today, luckily I was nibbing the entire time and no one noticed. Phew!
by Carmit March 12, 2008
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Nuts in Butt, NIB it being the act of putting your nuts into a butt.
"I'm gonna NIB that fat chick"

"Yeah, NIB it!"
by Anthony kjgh September 20, 2007
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A person who wants to know your business.
Be careful with your shit, Carol is here and she's been known to nib in people's stuff.
by Gene Bea 32 February 28, 2017
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The act of licking one's knuckle, punching a man on a ladder's taint with the wet knuckle, and then flicking his balls and inserting a pinky into his anus. Usually performed by one man on another.
Oh my god, I totally want to Nibs that guy on that ladder.
by WhyLG August 13, 2010
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Nativity in Black, a song by Black Sabbath, original named because the drummers head looked like the nib of a pencil.
The chorus of NIB is:
Now I have you with me under my power
Our love grows stronger now with every hour
Look into my eyes you'll see who I am
My name is Lucifer please take my hand
by DanC November 7, 2005
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A shortened term of the word nibber usually used when a skinny white boy does not have the N card so he uses "nib" or nibber to call a person so there is none offense taken.
Joe: *Steals pencil from a skinny white boy*
Skinny white boy: "NIB!"
by EWOBLES May 4, 2018
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