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1. meat sandwich
A sexual encounter in which one man is nude between two girls (or one girl between two men), all three engaged in sexual acts.

We went to bed and I got myself into a meat sandwich between Ana and Sylvia.
2. meat sandwich
A vagina that looks well used, with labia and bits hanging out.
"some guys like a real meat sandwich pussy but not me, I'm more of an envelope sorta guy"
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