Your hairline is like Quandel Dingle, it's so goofy!
Quandel Dingle Hairline
Explanation
Explain Bear
Listen up, buttercup. This joke is saying your hairline is as ridiculous as this "Quandel Dingle" character. It's basically an insult disguised as humor. You probably look like you're losing a fight with a lawnmower, and not in a cool way.