Dude.

Let me contribute to your excellent list. Straight from BBCAmerica, so you *know* it's really really Britspeak.

Dischuffed.

Also, far from being gruntled (thank you, PG Wodehouse).

Carry on.

And, in this venue, good show, Sir.

"Show me a completely smooth operation and I'll show you someone who's covering mistakes.
Real boats rock." -- Frank Herbert