A certain individual that has a thing for one night stands with girls/guys in relationships.
Guy1: "Hey, doesn't Stacey have a boyfriend..?"
Guy2: "Yeah, why?"
Guy1: "You were making out with her in the corner for like 2 hours. You're such a Cut Lunch Commando."
Guy2: "Heh. Yeah."
by Envyeff June 13, 2010
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When a guy or a girl has sex or takes part in anything sexual with a girl/guy that you like or that you are almost together with.
1. Dude i think Tim is going to cut your lunch if your not careful.

2. Man what a shit night I can't believe Jess cut my lunch.
by swiftalopopalus March 7, 2005
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