The Brave Little Toaster is a pretty dark movie—it's scary and it deals with abandonment issues and personal inadequacies. Also pretty dark is the blow job part where the air conditioner basically says the vacuum can suck him dry. "Hey, I'm real scared there, Kirby. What are you going to do, suck me to death?" Now try getting that image out of your head.
The Oral Sex Joke in The Brave Little Toaster (1987)