Yo hairline so long, it makes you look like Mr. Clean.
Mr. Clean Hairline
Explanation
Explain Bear
Listen up, numbskull! This joke is sayin' this dude's hairline is receded so far back that he's balder than Mr. Clean. Mr. Clean, for your information, is a cartoon mascot known for his shiny, bald head. Basically, someone's callin' someone else chrome-domed!
Goofy ah
Mr clean ant got no hair is that the point