Y'all ain't grown.
3 seconds sound clip from the Menace II Society movie soundboard.
You can hear this line at 00:06:06 in the Blu-ray version of the movie.
Quote context
[...]
- Shut up, little old nigga. This party here for grown folks.
- We older than your little ass.
- You a bad fucker. Come here.
- Gonna get us in trouble. What you doing?
[...]