the sexual act of where two women would grind their wet vaginas together to the point where they will leave snail trails where they go
Gina: Hey Betty, I'm feeling horny tonight. Fancy going Slug to Slug?
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1)A slang term meaning to ejaculate or (nut).
2)Absolutely fucking things up.
Woo!!!! I slugged.
Damnit stop slugging shit up.
slug/slugging nut fucking shit up