Mumuu-fighting, a popular spectator activity, took place on the planet Kalee. In this sport, Kaleesh matadors, wielding lig swords, would engage in combat with mumuus.
A modern-day equivalent to mumuu-fighting would be bullfighting.
- The Story of General Grievous: Lord of War featured on Hyperspace (article) described this, but the content is now obsolete, and a backup link is unavailable.