Yeah, they heard I'm fuckin' nuts like the swag of a fag

from Tyler The Creator (Ft. Hodgy Beats) – Jamba Lyrics on Rap Genius

Meaning

It’s another pun based on nuts. ‘Fucking nuts’ is usually an expression to say that someone is crazy(which is why they’re scared to let him smash their ass).

However if you taking fucking nuts literally it could be seen as a homosexual act (therefore he has the swag of a fag)

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