complete opposite of a fat wallet, a slimfast wallet is very slim or completely empty, not a good sign for the chicks.
Will: going out tonight with some girls, you down?
Steve: nah, cant, I got a Slimfast Wallet today
Will:you broke bastard!
Steve: nah, cant, I got a Slimfast Wallet today
Will:you broke bastard!
by Ya Boy Trax June 11, 2010