Sport or recreation

Shortened for Summer.

"Some", but retarded. Also the result of addition.

'really' or 'very'

The ratio of seats to bums on public transport, particularly relevant to rail travel.

When one Sings and Humms at the same time! It is quite a pleasant sound a bit like a young walrus' mating call!

Acronym for "Super Ultra Mega Slap"

Used when insulting or scolding someone for what one thinks is tasteless, immoral, or just fucking retarded.

May also be followed by an actual slap.

Coined in 2004, by a kid with an itchy fro and another kid who was just trying to fit in.