Originally Posted by BadCoverVersion
Oh, and 'doing bird' is a British saying...means doing time in prison. I'm unsure where it actually originates from, but presume it is related to Cockney rhyming slang somehow.
Isn't "bird" a term used to describe a female? If that's the case then it's probably sexual, since we're talking about prison. The guy definitely deserves to get fucked in the ass by a roughneck named Carly.