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whenever a woman (or man) presses the lower stomach fat together in order to create a verticle crease in the skin; the male partner then pours a lubicrant on the skin and then rubs his penis inbetween the crease. Very similar to a boob job.
"So how was your night with Jane?"

"Oh it was awesome! She was a little chubby so I could give her a dirty deep dish."
by Boscxx March 02, 2017
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