I was just idly flicking through an electrical appliance catalogue. I came across the section on super deluxe vacuum cleaners, and suddenly my underpant elastic was catapulted across the Medical Bay.

Kryten: I was just idly flicking through an electrical appliance catalogue. I came across the section on super deluxe vacuum cleaners, and suddenly my underpant elastic was catapulted across the Medical Bay.
Lister: You see, man? You’re neither one thing or the other. You shouldn’t be gettin’ erotic thoughts about electrical appliances.
Kryten: Er, it was a triple-bag, easy-glide vac, with turbo-suction and a self-emptying dustbag.
Lister: Kryte, I don’t care what model it was! No vacuum cleaner should give a human being a double polaroid!