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1.
The action of licking the crumbs off your fingers after you eat a bag of chips.
Jack: "What are you doing?"

Jerry: "Licking the crumbs off my fingers. It's all over them because I just ate a bag of chips."

Jack: "Gross."

Jerry: "It's not gross, it's just crumbletion."
by RadioactiveFlamez June 22, 2013