Adj.1. "Stupid cool" or something super cool
Adj.2. "Super stupid" or super uncool
You use it either when someone does something hecka tight or extra lame.
1."Dude I'm about to break dance at Kelly's party this weekend."
"That's gonna be stuped broz!"
"You know it!"
2."I'd rather study than go to Kelly's party"
"C'mon man, don't be stuped. That party is finna slap"