Forklift liftin' my nuts up, because
It's going, to be, a very, big nut bust

from Big Sean – Big Nut Bust Lyrics on Rap Genius

Meaning

(Forklift liftin my nuts up, not fuck livin for my nut sack)

He needs a forklift to lift up his nuts cuz they so big (no homo) and he’s gonna bust a very big nut

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