Top Definition
The unpleasant sticky residue found on one's lips in the morning, made of dried saliva. Often ends up on the back of ones hand after wiping mouth.
"I only had 8 pints last night, but the lipscum was off the charts this morning"
by markus_sparkus September 05, 2007

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Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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