This one wasn't stupid, but I'm too lazy to start a Funny Questions People Ask You thread.
Security guy at the front desk as I walked in wearing my two-piece RoadCrafter: "That thing bullet-proof?"
Me, with a chuckle: "Just about."
You learn something new every day if you're not careful.
"When you have to shoot, shoot, don't talk."
Tuco Benedicto Pacifico Juan Maria Ramiriez, otherwise known as "The Rat."