Top definition
Noun: A person/thing that is sneaky, skeevy, dirty, sexual, etc...

Verb: An act of being sneaky, skeevy, dirty, sexual, etc...

Adjective: Describes a noun as sneaky, skeevy, dirty, sexual, etc...
Noun: That stripper is such a slil.

Verb: After a few drinks, he wanted to slil his girlfriend.

Adjective: That motel room is so slilly.
by SlillyGirl August 27, 2009
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