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When a parent is unknowingly cockblocking their kid by being home. The parent is at home, leaving the kid and his girlfriend with no place to get it on. Therefore the parent is obliviously cock blocking.
Matt's Friend: "Yo Matt, did Katie come over last night?"
Matt: "Yeah, but my parent were being complete oblivious cock blockers!"

by StonedSteve March 07, 2009

Words related to Oblivious Cock Block

block cock parent sex stop