I'm the shit like a fully-functioning somersaulting porta-potty
from Wale – Skool Daze Lyrics 13 on Rap Genius
Meaning
Since porta-potties aren’t connected to any drains, a somersaulting one would be spreading shit everywhere. There’s a scene in the movie Eight Crazy Nights that features this.
https://www.youtube.com/watch?feature=player_detailpage&v=ngZbxdRqIvU#t=29s
To help improve the meaning of these lyrics, visit "Skool Daze" by Wale Lyrics 13 and leave a comment on the lyrics box