The OTW Red Dot Sight Awards: The Best, Worst, and Weirdest Things We've Seen

http://israelefbw091.jigsy.com/entries/general/a-trip-back-in-time-how-people-talked-about-otw-red-dot-sight-20-years-ago

A gun can be a ranged weapon generally meant to pneumatically discharge projectiles[1] that happen to be solid (most guns) but may also be liquid (as in h2o guns/cannons and projected drinking water disruptors)