Top definition
1. rank, horrible, weak

2. insubstantial, lacking, weak

3. uncool, dry, weak
that shirt is piss thin

that coke was piss thin

this party is piss thin
by Ralph Steamer July 23, 2005
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2
someone or thing that is very slim
that girl is so pissthin you can see her bones
by beanyy May 01, 2007
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