It is used by chavs and generally lazy people.
Alternatively it means to scavenge.
I suppose that it could mean skater/chav if you want to use it in that context.
That prick just Skav'd my condoms. Incidently, you cannot fathom the immensity of the fuck that i do not give.
Look at that skav. Or chav. Whatever i don't fucking know, just shut up.