4rum (plural 4rums)
- (leetspeak) Alternative spelling of forum
2002 May 20, BergRace, “Posts on the Type 4rum gone??”, in rec.autos.makers.vw.aircooled[1] (Usenet), archived from the original on 2009-02-11:Does anyone know what happened over at the ShopTalkForums?
All the posts on the Type 4rum is[sic] gone!!