gib

Thousand pounds (Pronounced Jib South London)

Geezer 1."Ow much you knocking yer mow ah for?"

Geezer 2 "2 gib"

Geezer 1 "Gib an' a half an' I'll take it"

ark at

to draw attention to
An order or instruction to look at or pay attention to something or someone.

London unknown if derived from cockney slang.

ark at him he's talking bollocks

Listen to/look at/pay attention to/him, the content of his definition lacks credibility