1 definition by trainwreck and homewreck

Top Definition
PCB
Premature Coupling Behavior. When your casual date or acquaintance begins to display unsolicited acts normally reserved for serious couples. ie hand holding, arm around waist, invading personal space, etc.
Kristen: "That guy at the bar just bought me a drink...Then totally tried to hold my hand!"

Corina: "eeeew, PCB"
by trainwreck and homewreck March 09, 2009

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