A rather plus sized specimen with an unobtainable build, when a camera or mirror is in front of them they will tend to clinch their jawline and suck in their cheeks. Will say things like "get some muscle big guy."
Jb ah build refers to someone who is fat, morbidly obese, usually between 250-450kg, Jb ah build can also refer to someone who is large and has a cute sister, Jb ah build is usually defined as someone who has a big build especially around the belly.
“That kid is fat as heck”
“That kids got a jb ah build”