Griefing can refer to multiple definitions, but is most commonly used in Minecraft and some other video games.

1. Griefing is the act of irritating and angering people in video games through the use of destruction, construction, or social engineering.
2. In forums to harass by all means: stalking, impersonation, VPN, etc. with the intent to ban, make the user uncomfortable, and etc.
3. (Chiefly in Minecraft) Griefing is when a NPC comes up and destroys your creation, mainly a creeper. Can be turned off using /gamerule mobgriefing false when cheats are enabled.
Guy goes on online thread to post offensive comment. Girl reads it.
Girl responds: You griefer!
Girl reports to admin for griefing post.
by DieselDorky16 November 5, 2018
Get the Griefing mug.
To get fucking owned in a videogame and then blame it on the nearest 8-year-old that's near your stripmine.
Toxic fuck: OI m9 STOP GRIEFING ME OR I'LL CALL mY GRANDMA BILL GATES ON YOU!
Toxic fuck 2.0: I ONLY GRIEFED YOU FOR UR DAIMNODS FUCKTURD!
by AvgRedditor January 5, 2021
Get the Griefed mug.
The act of doing dick moves to your friends or anybody else.
Dude 1: (blows up Dude 2's house)
Dude 2: WTF, man? What was that crap!?
Dude 1: GRIEFING, BITCH!
by MrVersus01 January 24, 2016
Get the Griefing mug.
Purposefully shooting or otherwise sabotaging your teammates in an online game.
We were winning the capture the flag game until Brian and Chris decided to started griefing and shot the rest of us in the back.
by Industrio Melman May 1, 2004
Get the griefing mug.
Doing something to a player (in a video game) that he/she cannot get out of through means provided by the game's design.

This does not involve emotional things, such as butthurt, as they are psychological issues that are brought up by the individuals themselves and can be caused by anything.

Camping and ganking are often considered griefing by ignorant people and also are called grieifing by thin skinned people who cannot deal with what is involved in playing a particular game or ruleset provided by a game.
"A player griefed a carebear by exploiting the game's system. The player was able to teleport to wherever the carebear was and could not be attacked or targeted."

"Joe Bob hacked the game and found personal information and is now griefing a targeted player with it."
by Johnny Gank October 27, 2011
Get the Griefing mug.
The emotion a person experiences upon losing their last peanut.
*drops peanut*
I think I'll just go shoot myself then
by Froody Tree Monkey November 25, 2003
Get the grief mug.