Roll a kush up, it’s a chess game, but fuck a push up
from Birdman (Ft. Lil Wayne, Nicki Minaj & Rick Ross) – Born Stunna (Remix) Lyrics on Rap Genius
Meaning
Doing push-ups is exercise to improve your upper body muscles, essentially a chest game; she pronounces it the same was as chess game, something simple to a mastermind such as a herself.
The biggest significance of this line is her (not-so) subliminal diss to Pusha T (read: “Fuck a Pusha”); here she shows her loyalty to her mentor Lil Wayne by assisting him in his feud with the GOOD Music rapper.

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