Yo mama so tall, she was next to Neil Armstrong on the moon.
Yo Mama on the Moon With Neil Armstrong
Explanation
Explain Bear
Listen up, chucklehead. You thinkin' yer mama's tall 'cause she reaches the top shelf? This joke implies yo mama is so astronomically tall that she was hangin' out with Neil Armstrong ON THE MOON! We are talking taller than a skyscraper, idiot! Get it now?
IEatMcDonald’s
Yo mama so tall she eats paramedic.