A Mexican Happy Meal is a sexual position where a guy has sex doggie style with a girl and ejaculates on her back then pushes her down a set of stairs (or off a bed) to watch her tumble down them.
a guy has sex doggie style with a girl and ejaculates on her back then pushes her off a bed or down a set of stairs and asks her, "how did you like that mexican happy meal bitch? Ha Ha Ha Ha Ha"
by Eymastud71 November 9, 2007