bikini bottom built

Insult to fat people. Means that the person being called this is fat enough to sink to bikini bottoms deepest area. Literally a human anchor.

"Dude lose some weight!"
"You're literally fat as hell. Bikini bottom built cunt. If you fall, you'll be sent to the backrooms fat fuck."
"That wasn't nice!"
"Go to rehab you food addicted cow."