typically used to explain how someone is acting, it means that someone is getting ahead of themselves, is being arrogant, or is simply describing themselves as superior -- which is normally the case in rap music
A: Yo Lenny's talkin' like he's all god body and shit I had to tell him to chill
B: Word, he OD's...
adjective used to describe someone or something that is the shit.
Ghostface Killah's rappin is the god body son!