Green’s Dictionary of Slang

(US black) inferior, superficial.

1994		N. McCall Makes Me Wanna Holler (1995) 189: These old rooty-poot niahs will try you if they think you walk alone.
2000		Ebonics Primer at www.dolemite.com 🌐 roody-poo Definition: a no-business born individual; worthless; good-for-nothing. Example: Fuck dat ol’ roody-poo ass nigga!