'1000-Lb. Sisters' Star Tammy Wasn't Rejected By Jerry Over Pansexuality

"1000-Lb. Sisters" star Tammy Slaton got left in the dust by her on-screen boyfriend, Jerry, after revealing she was pansexual -- but the guy didn't dip over that ... TMZ has learned. Jerry Sykes tells us ... yes he did leave Tammy and end their…