"A well-handled cameo subtly acknowledges the fourth wall without taking the audience out of the flow of the movie. A poorly-handled cameo hurtles through the fourth wall and furiously pimp slaps you until you're unable to remember what the fuck this movie was about in the first place. Here are six of the pimp-slappingest cameos of all time."
[via Cracked]
6 Terrible Cameos That Just About Ruined the Movie
