Define Fat As Hell Meaning

Fat As Hell
To be so fat that very little is bigger than you and there is little chance you will ever move from the spot you are at.

Rusty: You mean my mama is white?
Aunt Lil: And fat as Hell! ha ha ha!
By Christalle
What The Fat Hell?
When you're so shook and confused you ask this.

Mom: You are grounded!
Daughter: What the fat hell?????!!!
By Nissy