It Means That your very tierd and you dontwant to talk or do somethin at all. Something like, "Awhh, leave me alone, damn!!" or "fuck off, im tierd". Sounds like dweek!
Mom: John, can you please wash the dishes? I must meet some friend and im already late!!
John(Son): Noooo Waay Mom! dw33k!!
Guy1(to Guy2): Hey, wanna drink some beer tonight?
Guy2: Naah,, not today!! *dw33k*