Your hairline is so long that your mother could not brush your hair.
Receding Hairline
Categories
Explanation
Explain Bear
Alright, listen up, genius. The joke is that your hairline is receding way back, so far that it's like a never-ending road. It's so far back that even your mom would need a GPS to find the end of it to brush your hair. Basically, you're balding. And based on this joke, you have no rizz.