After eating, the act of putting your fingers down your throat to make yourself puke.
Fat Chick: I ate so much food, I'm gonna be having fingers for dessert!!

Skinny Chick: I have fingers for dessert every night
by George Burnett May 18, 2007
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After eating, the act of gagging yourself on your fingers til you puke.
Fat Chick: I ate so much food tonight, I'm going to be having fingers for dessert

Skinny Chick: I have fingers for dessert every night
by George Burnett May 10, 2007
Get the having fingers for dessert mug.