The word combines "jeer" and "cheerleader" to define a new type of entertainment found at roller derby games that encourage the crowd to cheer for action by using fun games, teasing chants, and general ruckus-making.

Example: The Gotham City Roller Girl Jeerleaders
The jeerleaders passed out signs to the crowd to cheer for their favorite roller derby team.
by tech.witch February 11, 2016
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