1. A person who performs fellatio.

2. An insult which defines the insulter as a person with a very negative attitude toward sexual behaviour, esp. american.
1. (S)He licked and sucked the guy's cock until he nearly fainted with pleasure.

2. He was raised in the bible belt, having the far-righteous christian belief that any sexual act other than the missionary position is not only his business, but wrong, and so, when confronted by a person he didn't like, called them a cocksucker.
by edjog October 7, 2005
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Someone that feels the need to explain that they are not gay to people around them that assume they are gay.
You assumed right about me, I'm a cocksucker. I'm a fuckin faggot, I'm just not a people person, so I don't include myself in any organized group of fellow faggots like me, and I don't include them with me.
by The Original Agahnim May 26, 2021
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1.Something you dont call a guys girlfriend.

2. A complete Jackass that doesn't give a shit.
1.
Guy:Your girlfriends a cocksucker!

Boyfriend:Your dead!

He then jumps on him and punches him in the face until he breaks his nose.

2.
Guy: My grandma's in the hospital! I'm on my way right now!

Cocksucker:Hey on the way pick me up some Fried Chickan.
by lev1234567 June 22, 2009
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the big flapping mouth of anyone who annoys the shit out of you by non stop talking
You're giving me a headache. Shut yer cocksucker!!!...Also "Shut yer cunt"works too
by mrmugga October 4, 2011
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A cocksucker is a woman who believes that cock rules the world. She puts it above her children and other women. She's a "sucker" because she buys into that cock-a-doddle-do-shit; she also literally and figuratively loves to suck cock...morning, noon, and night.
Tommy gets the first slice of pie, Joey gets the second, and you can have the crumbs Suzy.

(What a cocksucker!)
by TheLollipopKid April 20, 2011
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