...and then, there's rhyming Cockney street-slang, which is enough to make anyone but a geezer's head explode. :)
Just for fun:
Here's a 'bot (kind of like the Google Language Tools from the "Mangled Song Lyrics" thread) for translating standard English into Cockney.
Slán,
~Fionn
www.geocities.com/children_of_lir