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 5, 2019
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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 27, 2006
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When you're on a first date and trying to present your best self, but the pizza you just ate isn't sitting well with you and you need to let out the beast within. So you subtly lean to the right and silently let out your discomfort, only to immediately sit on it to avoid detection.
"Dude, my date with Tracy didn't go so well last night. She just got up mid-meal and left."

"She must've detected your first date left cheek sneak, huh??"
by stinky-poop-fart August 5, 2022
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Darren's left cheek is an attention-seeking edgelord that is emo
Jack: Man, I hate life, I want to be edgy and cool
Lucas: You sound like Darren's left cheek rn
by kaden's daddy June 21, 2022
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One who acts like a butt cheek. Someone who is being annoying, thinks their funny or cool. Usual names begin with G and Z
by Tactical ocelot September 25, 2017
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