The act of grabbing you're scrotum mid-coitus and shoving it into your partners mouth or gaping anus. Typically followed by a commanding statement for your partner to "Save em up for Winter!"

It should be noted that this dominating act should only be performed in situations wherein the dominating party has enough Sack Slack to properly perform the maneuver and the receiving party has either a big enough mouth or a properly stretched anus to receive the package in its entirety.
Me and Angie wanted to try something different last night so I tried Squirrel Cheeking her ass and told that bitch to save em up for winter.
by Dave Darkly Asst Mgr JJSS March 11, 2010
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During a sexual act ejaculate into a woman's mouth. Immediately after ejaculating use your hand to cover her mouth restricting her from spitting. The reaction of not wanting to swallow the man juice will result in her cheeks swelling up like a squirrel.
She wouldn't swallow... so I gave her "squirrel cheeks"
by Tha Muzza December 19, 2006
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When it appears that you have nuts in both sides of your cheeks.
Look mom, Kasey has squirrel cheeks.
by Sue Johnson August 3, 2006
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