Green’s Dictionary of Slang

to reject, to dismiss.

1997		(con. 1960s) A. Frewin London Blues 142: I know Mr Messalino would have elbowsed him doing the photographs without me appearing on the scene.
2012		(con. 1980s) I. Welsh Skagboys 259: Ah’ve never seen a boy so down eftir a bird’s elbayed him.