Yo mama so fat, when she stepped on the scale it said, "To be continued," and it said, "Fuck you."
Yo Mama Too Heavy for Scale
Explanation
Explain Bear
Alright, listen up, you knucklehead. This joke is all about exaggeration. Yo Mama is so large that even a scale can't handle her weight. The "To be continued" part means the scale can't even finish weighing her, and the "Fuck you" is just the scale's way of giving up in a rude way because Yo Mama too fat.
Jeff the roster
And yo mama so ugly she had to get rid of you because you uglier