arse pilates 

the act of focussing pilates exercises on the anal region, has many strange side effects. A kind of rectal prolapse.

"My girlfriend was practising her arse pilates when the next thing I know, there's shit flying all over the room and her small intestine is hanging out over the bed."

arse pilates by The Sandy Vagina Man May 6, 2005

arse pirates 

homosexual deviants who use unorthodox methods to perform sexual intercourse on each other.
most commonly found in America and Greece.

may be mistaken for "semen jockeys"

commonly known as "meat lovers" or "poop pokers".

"boy band Blue are a bunch of Arse Pirates"

arse pirates by ulises May 22, 2004