1)a male who enjoys slapping objects with his cock.
2)a person who enjoys slapping mens'/boys' cocks.
3--slang)a male homosexual.
1)That cockslapper broke the TV last week by hitting it with his dong after the Giants lost!
2)That dominatrix is a real cockslapper; she did it to Random Guy two days ago.
3)What a cockslapper, I can't believe he likes men.