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1. when your friend is having sex with two other people. originally referenced on the Lil' Jon & the Eastside Boyz album Crunk Juice The Remixes in the track "Menage a Trois"
1. I came home from the club at 2am and walked in on my boy and two hoes havin' a ma nigga trois on my's a good thing I have the plastic couch covers!
by Chad Baker March 16, 2006
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