When the plane nearly crashes, Butt-Head (the brunette protagonist) ends up on the front window in the cockpit. The pilot orders him to "get out of the cockpit." Butt-Head laughs and says, "You said --" before he is cut off.
Beavis (the blond haired main protagonist) says "goddamn" in one scene.
The words "ass", "bastard", "bitch", "boobs", "butthole", "crap", "damn", "dumbass", "goddamn", "hell", "shit", and "slut" are used.
"Asswipe" is used a few times.
This movie breaks a record for being a PG-13 movie with the most swearing (414 swear words are present in this movie)
1 use of 'shit' (in the lyrics to Red Hot Chili Peppers' "Love Rollercoaster"), 9 uses of 'bastard,' and 'bitch.'
Dammit is uses a lot of times through out the film.