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4.
A white male who likes to have sex with asian males disguised as women. They often enjoy both pre- and post-op partners.
If you weren't such a cotter you would have stopped when you felt her balls.
by Dago-rican July 10, 2010
 
1.
The act of attacking one's significant other when in a state of inebriation, and when woken up for snoring; particularly incidents involving said significant other being locked in her own wardrobe.

The act may also include arguing with the significant other's house-mates, to the point of violence. See also: "Becky Big-Chin"
She woke me up for snoring, so I Cottered the bitch. She's still in the fucking wardrobe.
by rajdhani123 January 30, 2011
 
2.
You get cotters in your hair! They are knots/tags.
"Bloody hell! Pass me a brush - my hair is full of cotters!"

"My hair is so cottered!"
by Katie Medd June 01, 2007
 
3.
when your cock is soft and its fat and stubby
Damnit, i jerked off now my penis looks like a cotter
by dbartlett May 24, 2006
 
5.
1. Refering to the back of your hand.
1. Whore 1 - "Come on Baby... I can give you the money in a few days."
Pimp 1 - "Bitch, if you don't give me my damn money now, I'm gonna slap the shit outta you with my cotter!"
by Nephets Nivlag October 21, 2010
 
6.
1. A guy with a moustache that likes chocolate milk with vodka.

2. A guy that likes to call you all the time and always knows where you are.

3. Piece of sex.
1. Don: I saw Cotter put chocolate milk into that bottle of Grey Goose..
Bill: Whoa...

2. *Ring* Don: Hello?
Cotter: Are you at Chuck E. Cheese?
Don: Yes...?

3. Girl: Hot damn, Cotter is pure sex, I want that in my bed now!
by KevinBeingKevin September 15, 2008
 
7.
(ko'ter) Def. indulge; cater to; or dote on. (Greek origin 782 A.D.)
The school library cotters to the intellectual study of students and other academic pursuits by insisting on silence in the facilities.
by UMass March 02, 2007