Exaggeration jokes
Your forehead is so big that babies can use it as a full-sized football pitch!
Yo mama so fat...
...people in Florida start buying flood insurance when they see her waddling toward the ocean.
Your hairline goes so far back that it has no records of it happening in history.
Chuck Norris strangled someone with a cordless phone.
Your mama so fat, it took all the trees to build her a coffin.
Memes
Yo momma is so fat, I took a picture of her last Christmas and it's still printing!
Yo mama so fat, when she went to bed, the house shook.
Yo mama so fat that when she went to the fatty competition, they said no because they didn't want professionals.
Yo mama so fat that when she went to the fatty competition, they said no because they didn't want professionals.
(Just a joke, she's probably kind.)
Your forehead is so big, the earth split in half!
You're so fat that when they tried to print a picture of you through the computer, they couldn't fit you in the whole picture because you were so big!
Yo mamma's so fat no one was laughing, but the ground was cracking up.
Yo momma so fat, I took a photo of her last year and it's still printing.
Yo momma so fat that she could fit the entire map of the world on her body.
Your head is so big, it looks like traffic is able to fit on it!
Yo mama is so fat that when she is about to put her foot on the scale, the scale begs for mercy.
Your hairline is so far back, even Shaggy and Scooby ran away!
Your hairline is so far back, it makes the Giant from Clash of Clans jealous!
Joe mama's so fat, her belly button gets home an hour before she does.
You're so ugly that I choked and died.