Yo mama so fat, she was the lead balloon in the Thanksgiving day parade next to Kermit the Frog.
Yo Mama Lead Balloon
Explanation
Explain Bear
Listen up, buttercup. This joke is all about your mama being super fat. Like, so big she could replace the lead balloon in the Thanksgiving parade. And you know Kermit the Frog? He's right there next to her, probably wondering where all the flies went. Get it now, Einstein?