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That part of when you're out eating at a restaruant and you start to feel full, but you aren't completely finished eating. To cure this, you sit back in your chair and wait for a minute or two before you go back to eating.
Ted: *Burrrrp* Man I'm feeling full but I still have half a burger...

Carl: Just do The Sitback, you'll feel better in a minute.
by sXe vGe August 13, 2010
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