1 definition by dirtbagerin

Top Definition
The only FDA-approved diet pills sold at GNC. Gives you explosive, uncontrollable diarrhea, therefore, stay fat, its not worth it
Person 1: "Hey, whatever happened to Fat Jen?"

Person 2: "She's trying to get un-fat, so she's been on the toilet since Saturday"

Person 1: "But, it's thursday"

Person 2: "Yeah, I guess she's trying out that new crap called Alli"
by dirtbagerin July 10, 2008

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