A sexual act to where a man suctions his lips onto a women's Clitoris and in the process thrust his tongue inward in a twisting motion and releases licking upwards. Another slang word commonly used in certain New York areas.
New Yorker 1: What's poppin' boss? did you hook up with that one chick?
New Yorker 2: Hell yea man she was mad fantastic, I gave her the Sicilian Tongue flip.