walrus

A boasting wanker, especially about money or supposed sexual prowess. From the nickname walrus applied to Joff Ennis, from the walrus-like rolls of fat on the back of his neck.

Walrus: Im so ace and ive just fucked 87 birds up the arse blah blah.....
Me: Shut up u fuckin walrus.

megabus

Transport for the very cheap.

Only £1 London to Birmingham!!!!!!!!!!!!

lotus

Sports car, stands for: Lots of trouble, usually serious.

My bloody lotus broke down again

brum

Birmingham, or noise car makes

"Im on the train to Brum"

sewer rat

1: Rat that lives in a sewer.
2: One who enjoys anal sex, especially a male homosexual.

See: marmite miner, fudge packer, uphill gardener, etc.

"Time to trap, this place is full of sewer rats"

double yellow

Or "Double yellows"- twin yellow lines down the side of a road which indicate no parking.

Hurry up, i've parked on double yellow

sexed up

Something which happens to sensitive MI5 documents (especially WMD dossiers) and gets endlessly discussed afterwards.

BBC news: "Dossier sexed up blah blah..."
Tony Blair: "Im going to get Lord Hutton to publish a report damning the BBC in order to turn it into my political mouthpiece! Hoorah!"