Speedball

"Also spotted at the gala, [...] MASSIE HERHIS, the buxom speedball carrier who alluded to the fact that all the mirrors in Boulderdash were not reflective."

- Dyslogia Twang in "Sightings by Twang"

Speedball was a type of sport. Massie Herhis played speedball in the carrier position.

Behind the scenes
Speedball was mentioned in a two-page segment titled "Sightings by Twang", written by Bob Carrau for the 1993 book Monsters and Aliens from George Lucas, a publication that collects concept designs and photographs from various George Lucas projects. Lucasfilm employee Leland Chee, who maintains the Holocron continuity database, has indicated that information contained in the book is non-canonical.