The long walks home from the laundromat
In Pop-Pop's Holden Caulfield hat

from Why? – Paper Hearts Lyrics on Rap Genius

Meaning

He’s living life alone but growing up and trying to find himself, just as Holden Caulfield did in the Catcher in the Rye. Apparently it runs in the males of Yoni’s family to have a period of self-discovery, as it was his “Pop-pop’s” hat before it was his own

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