1 definition by eliza mittens

The act of a guy having sex with two girls at once, one with his own junk and one with a strap on dildo attached to his back just above his butt. The male thrusts back and forth in the middle pleasing both lovely ladies at once.
Brian: dude i totally had a double taco last night with that one four fingers chick and her sluttly friend. It was so awesome

Luke: dude thats pretty sweet i wish i could have a double taco with two scene chicks. It sounds like fun and im super desperate.
by eliza mittens November 24, 2009
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