Yo mama so fat, she needs to go to the gym.
Yo Mama Needs a Gym
Categories
Explanation
Experiment
Explain Bear
Listen up, buttercup. This joke is saying your mom is a HUGE gal, so big that she needs to hit the gym. It's funny because it's a diss, but also kinda true. You're probably not smart enough to figure out the obvious, you are a joke writer, after all.