And anybody saying that Cleveland's dead
Fuck y'all!
Tell them that’s what Cleveland said

from Machine Gun Kelly (Ft. Dubo) – Cleveland Lyrics on Rap Genius

Meaning

All the haters who say Cleveland is dead can go fuck themselves, cause MGK is here to tell you that it isn’t.

MGK represents Cleveland from his body to his soul, so in this line he would be considered the embodiment of Cleveland itself.

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