The act of killing friendly team players online. Usually done by duchebags, angry 12 year Olds and bitter playes from countries that shall be left unnamed. First Person Shooters are the first type of game where this is most common.
Hay! Some of our guys are getting shot from behind. It's that heavy gunner player doing all the greefing. We should report him so he can get banned. Those idiots ruin all the games.
by Flipped3540 March 29, 2016

Greef is a different word for something that's cool, When you don't know how to express how much you like something.
by _Isaaahh_ October 26, 2020

nature's most powerful aphrodisiac
by Phil Rosenberg November 10, 2006

Die graue halb geschmolzene Schneemasse.
Auch Schneematsch, oder Faulschnee in weniger zivilisierten Gebieten.
Auch Schneematsch, oder Faulschnee in weniger zivilisierten Gebieten.
by Wortschöpfer October 28, 2018
