1: A large explosive gun use to pwn lesser players in the videogame "gears of war"
2: A tequila shot containing gunpowder;
only to be drunk by the most grizzled of men.
1: "Holy shit!! Did you see what that boomshot did to his spine??"
2: "My wife left me, my house burned down, and hitler killed my dog...pappa wants a boomshot"