a nine-inch penis, any abnormally large penis
She got stuffed with a plump niner
by Mrs. Jenkins July 14, 2008
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when a girl's thong is hanging out the back of her pants. Very common word in Woodbury, MN
by pullitup08 July 27, 2009
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A slang word used to refer to a policeman in a negative way. An undercover cop.
"Yo look out fellas, we got a niner on our tail!"
by Fetch Me My Coat September 21, 2006
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A reference to the Inland Empire region of Southern California, whose telephone area codes are 909 and 951.
"Oh, come off it - you live in Riverside!"
"Like you're any better, living in Chino."
"Shut up, you two - you both live in the niner."
by stephinextremis April 10, 2007
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No, nope
Comes from the german word for no (nine)
nine can also be used in the place of niner
At first was used mainly by scros, but now almost everyone uses it.

also
Scro 1: I heard she gave you a beeje after the lax game
Scro 2: Shob, Niner, i wish!

Person 1: hey do you have the latin homework?
Person 2: niner

Person 1: duuuuuuuuuude she is so HOT
Person 2: NIIIIIIIIIIIIIIINNNNNNNNNEEEEEEEE
by falalalalallaaaaaaaaaa April 21, 2011
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The act of boasting about your sports team's previous accomplishments when said sports team is faced with defeat and adversity in the current season. Usually done as an act of self-consolation, or when backed into a corner in a debate/argument.

Those guilty of Ninering are often fans of historically successful franchises and cannot deal with losing in a secure and gracious manner, leading to petty gloating.
I commented to Jeff that Colin Kaepernick seems to be struggling against higher quality secondaries this season, and he got snippy and started ninering about one of their 5 Super Bowls from 20 years ago.
by Earl Richards October 1, 2013
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abbreviated version of vagina, but cuter and usually involving some sort of pain
Ow, my niner
Go niners!
by margot March 21, 2003
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