1. The state or quality of being exceedingly relaxed and nonchalant, while at the same time elated or exceedingly happy, often attained whilst being high.
2. Synonymous for "fuck".
ex 1 - Guy 1: Dude, whats good?
Guy 2: Dude, I'm so minced right now I can't even hear you!
ex 2 - Guy 1: Bro did you mince anyone last night?
Guy 2: I minced the shit out of this one chick, but I was so minced I don't even remember!