Yeah, but you can't blow flies off your fries unless you have Heinz paintballs. And, it could get messy. Now if it shot dry ice pellets, that would be zero cleanup, though keeping your ammo at subzero might be tricky.
Yes, hold the flies! Actually I was talking about just the Co2- no paintballs needed. I use a pump action one on both aviary and ambulatory insects that might invade my room! Otherwise, I just go hand to hand- or whatever they try to use on me.
The BUG-A-SALT housefly shotgun is now available for $35. Hard to resist... watch the videos; one shows a ballistic Jell-O test! http://www.bugasalt.com/