Green’s Dictionary of Slang

(US teen) wild, uninhibited.

2002		Teen Lingo: The Source for Youth Ministry 🌐 krunk adj. Wild and exhilarating. Taking it to the next level of excitement or fun. ‘That party last night was krunk as hell.’.
2008		Dirty South Radio Online [via ITunes, online] Ain’t no station krunk like this!