A person (usually a girl) who is so obese that one may wonder how a person could let themselves get that big. These people tend to have a spherical/ elliptical shaping because of the incredible amount of fat tissue that eliminates the natural curves of a human being.
**Balumpabump walks in**
Person 1: Oh my lord. Look at her
Person 2: Wow what a balumpabump
Person 1: How could a person let themselves turn into that