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1.
One who Ejaculates in his partners ass,then dunks whatever object he has into the ass ie: a doughnut and procedes to eat such object.

This can be performed with most objects that are chewable
ie: Crayons, Alaskan Pipeline, Bag A Dicks
"Levi is a huge cum Dunker"
"Levi Likes to cum dunk his alaskan pipeline every now and then"
by Lucious Lou August 11, 2006