bendy bum
n. Homosexual. In reference to ........... the fact the person in question is ......... bent, and in the case of men ........ take it up the ....... (can you guess what it is yet) ......... (have a go) .......... (that's right) ....... bum!
John: "Turns out Sam takes it up the back passage."
Wayne: "Yeah, I always thought he was a bendy bum."
Wayne: "Yeah, I always thought he was a bendy bum."