n. a male who performs fellatio (licking and sucking of the penis). (See also dick-sucker. Also a provocative term of address. Rude and derogatory.) : There is one question I've always wanted to ask a cocksucker, but I have never had the chance.
n. a low and despicable male; a male who is despicable enough to perform fellatio. (Rude, provocative, and derogatory.) : You rotten cocksucker! I ought to punch you in the face.
n. a male who performs oral sex on a woman. (In southern parts of the country, cock = female genitals.) : I don't care if he's a cocksucker, as long as he loves his mother.
n. an obsequious and flattering male; a male sycophant. (Rude and derogatory.) : Why doesn't that stupid cocksucker talk straight. He's always trying to butter somebody up.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
Cite This Source
[kok-suhk-er] 
ər