Extremely drunk, also used as a substitution for the word 'bothered'.
"Ah got so rat arsed last nigh' ah could barely see mah feet!"
"I'll talk to you before school tomorrow morning if I can be rat-arsed to get up on time."
A stupid person (usually used in text)
Jack: *cracks a stupid joke*
Thomas: "Listen here you upside down arse"
A seat on wheels, usually pulled by a disabled or lazy person (ie Jack Carrol from corrie) so they can rest or sit down when they feek like it.
"Shit, that so-called funny man from bgt,.the one with the arse bracket is sooo fuckin annoying"
Extremely voluminous fart with pant tearing characteristics and often smelling like and elderly yak took a dump in your pants
His arse thunder was that bad it blew out the windows and peeled the paint
Fuck off you fat arse bitch ill shank your dad in bed