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2.
A word or phrase used to describe a person who prefers to give a blow job to a smaller sized manhood. (penis)
Girl One:"I can't see why she's into that guy..."
Girl Two: "I know, she's such a slug sucker."
by End of the World March 19, 2010
 
1.
A very bad word for someone who is not only a sucker, but a slimey sort of sucker.
Oh, my god, you're such a slugsucker!
by jrbk June 05, 2014