Derives from such scum holes like Huyton, in Liverpool (for you yanks that's in the UK). Means unfair, tight, wrong. And is usually used by young car thiefs wearing lacoste track-suits(chavs basically).
Johno: Arhh kid that waz pure allas liirrd
Johno#2: I know laaa, where is that spliff?
Not a jocks game:
A type of sport for the less athletic competorters. A bunch of your pals get in a circle and bounce a paper ball up and down, whoever lets it drop is drowned with insults.
Tom: "Hey, lets have a game of hanky pank
Gav: "No way you're a fag"