To create a distraction with your hands on the right side, and discretely pass serious wind from the left side of your buttocks.
"an atrocious smell came from dave's left side while he was fixing his papers on the desk to his right, must have been a left cheek sneak"
by Eric Parma-John September 1, 2007
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Letting a quick fart out while lifting your left buttock.
"EW, what's that smell? Mike, did you perform a left cheek sneak in here?"
by Elektra April 26, 2006
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When you lift your left cheek and slowly, and quietly pass gas
When Tom was in a meeting he preformed the left cheek sneak and no one knew that he even farted
by OkBoomer69 November 4, 2019
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