1 definition by Cornelius the Bad-Ass Pigeon

Fatty Plumpkin

Noun)
1. An abnormally obese anus. Ex. Badonkadonk
2. An anus which is utterly large in volume.

The women was not shy about her fatty plumpkin: she wore a pink thong viewable to everyone behind her.

by Cornelius the Bad-Ass Pigeon June 12, 2008