1. to act ignorant or stupid when one should know the correct way to act.
2. the condition of being a putz.
Dude 1: "This dude once bought an ounce of oregano thinkin' it was weed!"
Dude 2: "That was pretty fuckin' putzy.. didn't he at least smell it first?"
"See that guy over there? He's the putzyiest motherfucker I've ever seen."
Pussy that doesn't put out.
Man that girl is a total Putzy!