Girls used to tell me I ain't cool enough
Now text me pics sayin', "You could tear this up"

from Childish Gambino – Fire Fly Lyrics on Rap Genius

Meaning

Gambino frequently refers to his troubles with the ladies throughout his life due to his demeanor, clothes, actions, etc not coinciding with their arbitrary criteria for “cool”.

These same girls now sext him….. Life is funny that way, huh?

These lines also mirror one of Biggie’s most famous lines from Juicy:

Girls used to diss me
Now they write letters cause they miss me

Gambino’s version is nearly identical except that he’s updated “writin letters” to texting.

To help improve the meaning of these lyrics, visit “Fire Fly” by Childish Gambino Lyrics and leave a comment on the lyrics box