look up any word, like b4nny:
 
2.
Fucking crazy
I'm not crazy, I'm just metnally unstable......KILL! MURDER!
by MuzlFlash August 22, 2003
 
1.
A group or "crew" (mostly of korean ethnicity) that participates in br8d4nc1ng.
Is that Mentally Unstable? that shit kray.
by Mr.Barnibus Stinson January 22, 2012
 
3.
karan

the characteristics of karan.
karan is mentally unstable
by panic July 01, 2004