A method of producing a rush by hyperventilating until passing out or by hyperventilating and then cutting off bloodflow to the brain with pressure to the neck.Causes twitching and spasmodic shit along with a whippet or nitrouslike effect.AKA elevators.
Those kids on e at the party were cloud nining each other and fishing out on the floor in the halls.I wanna try that.
by the tweaker February 17, 2004

by adsafasdfs August 28, 2007

by m16 July 11, 2007

Used as a verb. To destroy something with the force of two Boeing 747's crashing into the country's two biggest skyscrapers.
B: Yo, I saw that bitch-slut girlfriend of yours cheating on you with Rolfo at the National Dry-humping/Freaking Dancer's Association of Long Island Formal.
C: STFU!!! I'm totally gonna nine-eleven her face!!
M: Yo, dude, I got totally wasted last night and I totally nine-elevened my car into a mailbox!
Y: Oh snap!
C: STFU!!! I'm totally gonna nine-eleven her face!!
M: Yo, dude, I got totally wasted last night and I totally nine-elevened my car into a mailbox!
Y: Oh snap!
by Rolfo5800 August 18, 2008

The sensation you get on your tongue when licking ass for the first time, much like the sensation when putting your tongue on a nine volt battery.
by mikef91 August 12, 2005

A word for vagina. Does not suggest the length of someones erect penis. Or floppy penis for that matter.
by Jack Kelly December 7, 2004

K nine meaning dangerous
K nine a word from a crocodile with long tooth
K nines meaning dangerous things or people
K nine a word from a crocodile with long tooth
K nines meaning dangerous things or people
by Tyscoope November 6, 2018
