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9.
another form of "backstabber"
That cocker stuck it up my ass at work.
by chickenman June 12, 2003
 
1.
Term used in Northern England especially by the older generation meaning "buddy" or "mate"
"Ya alright cocker?"

"Cheers cocker"
by poo legs May 31, 2004
 
2.
Slang for cocktail
My girlfriend Kirsten told me to go to the bar and grab a cocker and I am now facing criminal charges for sexual assault. I wish I knew she meant a Cosmo.
by Carly Wild February 12, 2009
 
3.
someone who actslike a complete cock - similar to the word dick head but more effective. cockers also play with themselves.
1) that guy called me fat, hes a complete cocker.
2) all my boyfrend does is masturbate- hes such a cocker.
by =)=)=)=)=)=)=) March 09, 2009
 
4.
A slang term for the Autococker Paintball gun.
Will you use your new cocker in the next game?

No I will use the old cocker, cuz the new one inst ready.
by Hi January 04, 2004
 
5.
A slang term for someone who is an asshole. Guests checking into a hotel usually leave their brains at home and take out all frustrations on the poor desk clerk. These people are referred to as cockers.
That customer was such a cocker. He was a fucken cocker.
The way he talked to me was if he was having a cocker-fobia attach. I hope that the bouncer at the main door does not cocker-fy you because I have heard that he is a total cocker!!!
by John Gary November 13, 2006
 
6.
A male with his genatalia exposed at the Burning Man Festival.
Certain variations include the shirt cocker, the fanny pack cocker and the "gee, where'd my pants run off to this time" cocker. New species are being discovered each year.
by Point N Laugh September 19, 2009
 
7.
A twisting, contorted, spasmodic behavior in response to music, inspired by Joe Cocker, and popularized by John Belushi. Rare in females.
Man, that lead guitarist can really Cocker!
I never seen a girl Cocker! Maybe it's just gas.
by Tom McNamee June 22, 2006