She jokes
Yo mama's so fat, her belly button gets home 15 minutes before she does.
Yo momma so dumb, when your dad said it was chilly outside, she ran outside with a spoon.
Yo momma's armpits stink so bad she made Right Guard turn to left.
Yo momma so fat, when she gets in an elevator, it HAS to go down!
Yo mama's so stupid, she stared at a cup of orange juice for 12 hours because it said "concentrate."
Yo mama's so stupid, she thought a quarterback was a refund.
Yo mama's so stupid, she went to the dentist to get a Bluetooth.
Yo mama's so stupid, she took a ruler to bed to see how long she slept.
Yo mama's so stupid, she put airbags on her computer in case it crashed.
A woman was in the Twin Towers. She orders a pepperoni pizza but got a plane pizza.
A kid came to the orphanage with a dead fish. She was crying.
Why was the kid crying in the orphanage? Because someone came for the fish.
Yo momma so stupid, when someone got cardiac arrest, she tried to put the person to court, and when the judge said "ORDER AT THE COURT," she thought it's a food court and ordered 20 Big Macs and got a heart attack.
Joe Mama so fat, when she told a joke nobody laughed, but the floor was cracking up.
Your mum is so fat, when she slept on the bed, the bed cracked and they had to replace it by a dinosaur.
Alex: Dad, can we get me a little brother from the orphanage?
Dad: Sure, Alex!
Dad: We're here!
Orphanage manager: Alex! You are so big now!
Alex: Dad, what is she talking about?!
Your mom was dating a boy that had a twin brother, but she did it with the wrong one.
Your mum went to the dentist so she could install Bluetooth.
Yo mama so fat, she had to get baptized at SeaWorld!
Did you know Princess Diana's last dress she wore was white? But afterwards, it was red.
Yo mama so fat, she didn't just cross the border; she crossed ALL the borders.
Short version: Yo mama so fat she touches every border.