A fat man who
still lives in his mom's
basement well into adulthood.
Basically another word for Momma's Boy.
Guy 1:
Guys I'm 30 and I live in my mom's basement, oh and I weigh
300 pounds!
Guy 2: Ha ha, you're a Carnbarn!
Guy 1's Mom: Carnbarn come here! I
baked you some cookies!