griefer
n.— «As online-game companies court new and wider audiences, many are running into an old problem: “griefers,” a small but seemingly irradicable set of players who want nothing more than to murder, loot and otherwise frustrate the heck out of everyone else.» —“Inflicting pain on ‘griefers’” by David Becker CNET Dec. 13, 2004. (source: Double-Tongued Dictionary)
Further reading
Cat hair may be something you brush off, but cat hair is also a slang term that means “money.” In the same way, cat beer isn’t alcoholic — some people use cat beer as a joking term for “milk.” And imagine walking on a...
There are eight major planets, but more than a million minor ones, including asteroids. If you discover one, you get the honor of naming it. The Dictionary of Minor Planet Names includes minor planets named for rock bands, jazz musicians, poets, and...