When you're so hella stankbutt filthy that you get MAD about it.
Hangry is to hungry as Crustrated is to being dirty AF.
Bro: why you trippin bud? You're being pissy as a mf.
Bro2: sorry bro, I'm just Crustrated. I can smell my own balls from here. Gotta shower off this thicc assbooty stank.
Bro: shit. me2 bro