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The act of inserting one's finger into their belly button, then smelling said finger in order to confirm or deny it's cleanliness.
Nicole: Hey Kimmy what are you doing with your finger in the corner over there?

Kimmy: Nothing....

Nicole : Kimmy you need to grow up and dip n whistle in private. Typical New Yorkers.
by Jcray13 June 02, 2015
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