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Sludgy cheese build up composed of rancid and festering spit around the lips where the top and the bottom lips connect.
boy 1: That crackhead lady has a lot of crusty spit cack around her lips

boy 2: Yeah! when she spoke she flung a piece and it caught me in the eye, i need to disinfect
by Jp & Skrachmo June 26, 2008
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