Irish Milk

Noun
Slang for Guinness

Don't bother with Peter, he's on the Irish Milk

Thumb in the Can

A phrase used to describe the finality of a decision made by someone.

Once someone has made a decision and can not back out of it.

Derives from the immature act of sticking one's thumb in a can and attempting to pull it back out.

Jim: Why don't you just leave her?
Ted: I can't mate, I've got my thumb in the can now.

Wish I'd have said no to that promotion...now I've got my thumb in the can.

Captain Scott Has Left his Sleeping Bag

A phrase used to describe the state of the penis.

When an uncircumcised penis head rolls out of the foreskin.

Derived from the explorer, Robert Falcon Scott who ventured to Antarctica in 1912.

Ryan: Aw red alert mate
Josh: What?
Ryan: Captain Scott has left his sleeping bag