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The money you have left after you have paid all your bills for the month. This is money you can spend on whatever the hell you want or save towards something big.
Joe had no spending money left after paying for his girlfriend's shopping spree.
by bigjohnson May 02, 2014
verb: Masturbate(ing), stimulate the penis
I was in my room yesterday spending money!
by kenaurter December 26, 2007