"Ease up there, baby boy": Ving Rhames told Jody that

from Kanye West (Ft. R. Kelly & Teyana Taylor) – To The World Lyrics on Rap Genius

Meaning

Reference to the movie Baby Boy starring Ving Rhames and Tyrese Gibson(whose character in the movie is named Jody).
Ye’s referring to this scene:
http://www.youtube.com/watch?v=UV7Ub0GJUPI

For those who need it, here’s the annotation: In this scene, Rhames is attempting to teach Jody a lesson about life, but Jody is stubborn and close-minded and tries to fight Rhames. Jody is young, selfish, stubborn, and unwilling to take a word from the wiser adult. Ye is either saying he’s in Jody’s position and has now learned he just needed to take control of his life and not blame others for his mishaps.

Also, this may be a reference to wrestler Mick Foley, who was often called Mrs. Foley’s baby boy. It’s unlikely, but hey, Kanye may just be that next-level.

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