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2.
resulting from excessive sucking on the lip while making out; leaves lip blue and swollen for the whole world to see
John: "I wonder if claire was chewing some gum or something, her lips look awefully blue."

Danny: I heard that michael and her got busy and he gave her a lip hickey...
by Bhamskfiu November 24, 2009
 
1.
hickeys that happen when stupid boys suck on your lip too hard. results in a swollen, puffy lip and a purple bruise. looks AWESOME.
lip hickey
by nibbles101 December 07, 2008