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when people are having sex and you sneak into the room and beat off discreatly.
Andy herd a moaning from the room next to his and he knew it was time to make a move for the sneaky sunderland. he snuck in through the vent with a bottle of ky warming in his pocket and masterbated untill he shot a load in a dirty sock he found on the ground.
by sean burk April 09, 2006
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