Number three

Rhyming slang for wee or pee (urinate).

Same as 'number two' is rhyming slang for poo.

Are you going to the toilet to do a number two or number three?

Number two

Rhyming slang for doing a poo.

Are you going to the toilet to do a number two?

Snigger

Australian word meaning to laugh quietly

It will make you snigger, snort and laugh out loud.

Summat

Slang for 'somewhat'.

It can be summat annoying but necessary.