#interrupted-sex

A lecherous school bus driver gets his chance when his bus breaks down, stranding him alone with a teenage girl on a deserted road.

A husband is interrupted mid-cunnilingus by a telepathic daughter warning him about a visitor, prompting him to drive his wife to a sudden intense orgasm.

Harry and Hermione are interrupted mid-encounter by the ghost of Godric Gryffindor in a crude comedic Harry Potter farce.