Green’s Dictionary of Slang

plex n.

[plex v.]

(US black) threats, aggression, grievances.

Dre Dog ‘The Ave’ 🎵 They put they plex on they chest, act sick, and try to fight me.
[US]UGK ‘That’s Why I Carry’ 🎵 Every time I try to go somewhere I got plex from these / Sorry punk pussy no good hatin’.
Big Moe ‘The Letter’ 🎵 Hold this shit down, leave your plex at home.
[US]UGK ‘The Game Belongs To Me’ 🎵 And we don’t bar no plexes, we way bigger than other men though.