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1. Having the appearance of a cleft in the lower lip which gives the distinct impression that you have had a penis grafted in place of your lower lip.

2. Someone prone to dribbling after proper felatio.
Check out that fat chick with the donglip. That nasty slut had some serious donglip going after her 'performance'...it was nasty.
by Shimdiggley April 15, 2010