Knock it on the head, son = Stop whatever you're doing ...it's annoying me
Leave it out!
= Stop being silly
What are you like?
= I think you're being silly
Put the wood in the hole
= shut the door
Cushty = good
Pucker = good
Tidy = good
Wicked = good
Bad = good
The bollocks (vulgar) = good
The dog's bollocks (vulgar) = very good
Bollocks (vulgar) = not good (As in "Oh bollocks! My wife has just left me, etc.")