Used by forum posters when a person agrees with a point. Sometimes used incorrectly when referring to one's postcount going up.
Urbandictionary is a useful website
Forum Lingo, When one disagrees with another
Post 1 : I believe that I should be a moderator on this forum.
Post 2 : -1
E-mailurile sunt trimise de la email@example.com. Nu-ți vom trimite mesaje nedorite.