Trucker talk used on CB radios to make the number 9 sound cool when relaying directions, coordinates or instructions. Also used in the military. You have to be an uptight angry white male with either a buzz cut, aviator sunglasses or a flannel shirt to use this term.
"We've located Charlie at DELTA, BRAVO, point NINER, over."

"The $2.99 omlette and vanilla shake deal is at the Oasis off of I-two-oh-niner, little buddy. For another 2 bucks the waitress with show you her tankers."
by chulo4mami October 9, 2009
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A response to answer any question that you didn't hear, didn't like, or didn't give a fuck about. Can be easily replaced with "nine." Can also be used to describe anything or anyone. "Nine" is the true answer to any numerical question.
Question: Did you get the laundry done?
Answer: niner
-or-

Question: How many cells make up the haman body?
Answer: nine
by benny February 17, 2004
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an eqivalent to the number 9
Person 1:"What's the sqaure root of 81?"
Person 2:"NINER!!"
by Bryan December 13, 2005
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a man with a nine inch penis
ben is such a niner.
by Colleena nd ben February 24, 2005
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A group of popular girls that are hot and are mean to everyone. They are simply amazing and everyone wishes they were as fetch as them. Jaimie is head 9er. JP will choke slam you. Erin is furious. Ashley will fuck your boyfriend and then kick you and she even has liver failure. Amber will have 5 boyfriends at once. Rome won't talk to anyone thats not listed as a 9er. Tracey will knock you out with her boobs, even without beer goggles on. Chrissy is a bitch and has no soul. Kate you'll never see her ever.
9ers lingo:
"Throw it up for the 9ers"
"Lets fight her in the bagel shop"
"That fucking shit ass crap kicking bitch ass fucker crap shit 9er"
"We wear pink on Wednesdays"
"Niiiiiiiiiiiiiine"
"Firecrotch we hate you!"
"I fucked her boyfriend again last night"
by Im a niner May 8, 2005
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WORD TO BE USED IN PLACE OF ANY NOUN THAT IS NOT IMMEDEATELY THOUGHT OF. THAT IS, UNTIL A PROPER NAME CAN BE REMEMBERED.
Hey! Hand me the uh... uh... niner on top of my dresser.
by D.J. Camshaft October 27, 2011
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an erect nipple stimulated from sexual arousal, cold weather, etc. Thus, "niner" is a slang term for the combination of the words "nipping" and "boner."
It's so cold that I got an instant niner when I walked outside!
by kbl October 11, 2017
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