It is an acronym meaning Wind-Up Merchant.
It refers to someone who posts on message boards and newsgroups with the intention to cause as much disruption as possible by goading others.
It refers to someone who posts on message boards and newsgroups with the intention to cause as much disruption as possible by goading others.
by Nataku November 14, 2005

by Willem. April 08, 2023

Louange is wum.
by zooplankton zoloretto January 04, 2021

by raz2416 September 13, 2007

by Jitterbug May 31, 2014

The verb form of WUM (Wind-Up Merchant), a predominantly online phenomena of espousing contrary viewpoints purely to string people along and get a reaction from others. A mild-mannered form of trolling.
I know you're just having a laugh, but cut out the wumming, NewFag, or I will ban your ass faster than the angry fist of god.
by B9a June 13, 2011
