Part of the song of yankee doodle is the British singing how we were trying to make imitations of this very in-fashion hairstyle among the British elite:

"...stuck a feather in his cap and called it Macoroni!"

Aka "Those yankees are so desperate to be as cool as us they're trying to act like a feather in a cap could ever make them look this cool:

https://en.wikipedia.org/wiki/Macaroni_(fashion)

And it's like... do you people not know how stupid you look in that hairstyle?