Related Clues:

• When doubled, overly enthusiastic
• Word in an old-time cheerleader's cheer
• Cheer up Harold when half-cut
• "Go team," quaintly
• ''Go get 'em, high school team!''
• Cheering yell
• Repeated syllable in Lady Gaga's "Bad Romance"
• Word rhymed with "Ski-U-Mah" in the University of Minnesota's fight song