And my rims are too grown
That mean they 24's boy, what are you on?

from Lil Wayne (Ft. Drake & Kidd Kidd) – I Want This Forever Lyrics on Rap Genius

Meaning

Adults, which are said to be “grown,” generally become adults when they’re 18 (or 21), and 24 is beyond that

To help improve the meaning of these lyrics, visit “I Want This Forever” by Lil Wayne (Ft. Drake & Kidd Kidd) Lyrics and leave a comment on the lyrics box