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An extension of 'wub' aka 'what u balling'. Typically used to determine exactly what your friend is doing at a particular moment in time.
Me: wubstein?
Mate: not much mate just havin a beer in the shrop.
by bkissangel June 27, 2011
What are you upto?
Wubstein mein?
by Villaaain June 29, 2011