Answer:

YELLS

AnswerCrossword Clue
YELLSMakes oneself hoarse, perhaps
YELLSScreams one's head off
YELLSRaises the roof
YELLSShows anger, in a way
YELLSRaises one's voice
YELLSHollers
YELLSScreams
YELLSAttention getters
YELLSCheers
YELLSSounds angry
YELLSCheerleaders' repertoire
YELLSWhoops
YELLSShouts
YELLSCOMMUNICATES LIKE THIS
YELLSCalls
YELLSArgues ineffectively
YELLSArgues vehemently
YELLSCheerleading routines
YELLSWhoops and hollers
YELLSGives a holler
YELLSCheerleader's repertoire
YELLSMakes oneself heard
YELLSOutcries
YELLSLong-distance calls?
YELLSSounds from the bleachers.
YELLSFootball cheers.
YELLSShouts of the college crowds.
YELLS"Allegeroo" and "sis-boom-bah."
YELLSVociferations of the fans.
YELLSRah, rah, rah.
YELLSRoars.
YELLSHalloos.
YELLSWhoop and yippee.
YELLSCheers.
YELLSShouts.
YELLSCheerleader's concerns.
YELLSOutcries.
YELLSRebel calls.
YELLSRebel cries.
YELLSStadium cheers.