Closest thing would be at the fair, with air guns.
And that one time we went out to go do some paintball with our class. Everybody expected me to eradicate the other team the whole time, because they knew I played way too many games.
Thank you, Brothers in Arms. The 4 F's helped me humiliate the other team. First round, I already had 5 people down on my own, 6th in my scope (but ran out of ammo, bah).
The matches after that, the opponents made it a top priority to take me out, severely limiting my flanking capabilities :<