rear-gunner; rear seat gunner noun a male homosexual UK A masculine image that employs weaponry in a metaphor for anal intercourse.
NEFARIUS: It’s no gay, issi? BACON: Do we look like a pair of rear-gunners? NEFARIUS: Nah, it’s jus’ I got all this fuckin’ gay porn, ‘n’ can’t sell i’ to any o’ my contac’. — Guy Ritchie et al, Lock,Stock...&Four StolenHooves, p. 17, 2000