Yo mama so fat when The Rock hit her with a Rock Bottom, her big fat ass belly let all the pizza explode out of her belly!
Yo Mama's Pizza Explosion
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Explain Bear
Alright listen up buttercup, this "yo mama" joke is all about making fun of how fat someone's mom is. Get it? The joke plays on the idea that she's so big, even a wrestling move like "The Rock Bottom" causes her to burst open and pizza flies out. People aren't laughing *with* you, they're laughing *at* you, ya dingus!