The Protein Foot Sandwich

The act of grabbing a girls foot when having sex, wrapping it in lettuce, and eating the lettuce and sucking on the sole and toes of the foot.

Friend 1: Yo what did you eat last night?
Friend 2: I had some Ass and The Protein Foot Sandwich
Friend 1: Fuck off

protein sandwich

A blow job
Sucking on a penis which is a big chunk (hopefully) of pure manly protein

My boyfriend, Brutus, gave me a protein sandwich.

Hey, Honey, "Would you like a protein sandwich?"

Penis
Cock
Schlong
Blow job