Skiprat

n.

Heard in Derry and Tyrone

Someone who isn't very well off or has poor hygene.

In use

Look at that dirty hoor, hasn't washed in days the f**kin skiprat." "Stop tryin to steal me shoes ya skiprat!

Posh English

Observe that filthy jezebel, who has not washed in days, the wretched scoundrel.