Went 2010.Venue great, crowd good, music ,
This event is listed inactive, below is the original description:
Furball is the Amsterdam Hairy Men Dance Party ... for all kind of hairy and butch men and their admirers. This party attracts Bears, Musclebears, Otters, chasers, cubs, (smooth) admirers and everybody who likes hairy men.
The party is now part of club Chuch, see the listing there for dates and location.