To be full of shit; for something to be completely and utterly stupid.
(Ex#1) Shebreezy: "Did yall hear dat Douglas supposedly smoked a Black & Mild wit Lil' Wayne?"
Latrell: "Pfftt, Douglas be saturated."
(Ex #2)Jaytron:"Man,I just spent all my moneh on biscuits and burr."
Durraymus:"Dogg,dat be saturated."
(Ex#3) Lil' Jon:"Man, Rick Ross thinks Noriega owes him 100 favas? Shit, he be saturated as fuck."