It is when you are in a hotel room and have sex with your girlfriend while her mom sleeps in the bed right next to you.
Johnny is the only kid I know that has enough balls to pull the Sleeping Cindy.
by DeputyDean March 8, 2008
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When you and your girl are doing the Boner Jams Dance in a hotel room while her mom is sleeping in the other bed.
"Dude, me and my girl pulled a Sleeping Cindy the other day, it was dank!"

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"Me and my girl blew the Sleeping Cindy and her mom kicked my ass."
by Dj Weich March 9, 2008
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