rap jumping

Dissing a rapper of higher popularity/rank to jump up in popularity/rank.

"Aye @NickCannon you better stop rap jumping my n*gga marshall before me, 50, Royce, crooked i, Lloyd banks, j Cole, Kendrick, logic, tech n9ne, big Sean, and king los get busy on yo ass.... pause. 🖊 keep playin. 😑😑😑," Joyner tweeted.