The act of wrapping a soft taco or burrito wrap around your penis and filling it with taco meat and taco sauce or any burrito filling to the point of overflowing. After this, the girl will begin to eat the entire burrito or soft taco off of your dick, and at the end will swallow your generous man-juice at the end to wash it all down. Cheese optional. Extra points awarded if you or her wears a sombrero while performing.
Girl 1: "Hey Jessica, how was your date with Matt last night?"
Girl 2: "He made me give him the mexican meat muncher, so we skipped dinner before the date, and boy that filled me up."