TMZ has learned that Jason "Gummi Bear" Davis has checked himself into Promises rehab. An original release regarding the portly partier sited source saying "cocaine and opiate addiction" were the reasons for the trip. All statements since leave out actual drug speculations.

After a spectacular series of appearances on TMZ, and bouncing around the club scene for many months, the portly oil heir and brother of Greasy has apparently decided to get clean -- with professional help this time. Earlier this month, Gummi reported that he's working on a number of projects, but wasn't very specific.