frogs arse 

similar to "does a bear shit in the woods" and "is the pope catholic"

"is a frogs arse waterproof" is shortened to frogs arse... meaning yes

fancy a pint tonight?
frogs arse

frogs arse by ellie jay May 10, 2010

flogs his arsehole 

sells himself as a rent boy male prostitute

"his sister's name is lily,
she's a pro in piccadilly,
and his mother's yet another in the strand,
his father flogs his arsehole,
at the elephant and castle,
they're the finest fucking family in the land!"

flogs his arsehole by theWestHamfan December 4, 2003