Yo mama so fat, she needs 17 iPhones to take a selfie.
Yo Mama's Selfie
Explanation
Explain Bear
Listen up, buttercup. This joke is about how fat yo mama is. Like, so fat she needs 17 iPhones just to get her whole face in a selfie. You probably think 17 is a small number, and that's why you ain't ever gonna be BASED. Sad!