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Repound is the act of losing a bunch of weight only to put it all back on.
dave: I heard your dating a new girl ..

Mike: yea she looks good but she used to be pretty big and Im afraid she might repound...makes me nervous
by metrod June 10, 2010
after a break up, instead of rebounding with a new girl, you booty call your ex for sexual favors such as pounding her
Me: "Dude, I was on the repound last night finally!"
Friend: "Do you mean rebound? Who was she?"
Me: "No, I called my ex back up and repounded her."
by keeblercobbler July 01, 2013