Your mom is so fat she was the reason why the Titanic crashed.
So Fat Jokes
Your mom's so fat, Donald Trump built the wall around her.
Yo mama is so fat that Naruto couldn’t make enough shadow clones to surround her.
Yo mama is so fat that a whole forest grew on her, but it was sad because she really smells, so the forest died.
You're so fat, when you fall, the sidewalk cracks.
Yo mama so fat, she can’t even fit in the living room!
You're so fat, when you step on a scale it says, "To be continued."
Your mom is so fat that when God said, "Let there be light," he asked your mom to move out of the way.
You're so fat, you only know the letters KFC.
Yo momma so fat, whenever she goes to the beach, the tide comes in!
Yo mama's so fat, when she sits on a dollar, four quarters pop out.
Yo mama is so fat that when she sits on the internet, it will take a day to send!
Yo mama so fat she made KFC go bankrupt.
Yo mama so fat, she could fly a hot air balloon by letting out her gas.
Yo mama is so fat, she falls off both sides of the bed.
Bully: I wouldn't bother wasting my time on a shit person like you.
Me: At least I have a brain unlike you.
Bully: Well at least I have a mom unlike you.
Me: Well your mom is so fat that she got stuck in her car and started bleeding Nutella?
Bully: How would you know that?
Me: Because she told me herself.
Bully: How exactly?
Me: She's on the phone right now.
Phone: *High pitched animal noises*
Me: Told you so!
Your Momma's so fat, the recursive function calculating her mass causes a stack overflow.
Bro, yo mama so fat Thanos had to clap her out of existence.
Yo mama so fat and emo, we call her the rock and roll.
Yo momma so fat, she tried to eat a pie chart.