0 to perform dances, gymnastics, and chants (= special shouts) at a sports event to encourage the crowd to support a particular team:
Her boyfriend plays football and she cheerleads at his games.
Cheerleaders range from six-year-olds to adults who cheerlead for professional athletic teams.
His administration cheerleaded for offshore drilling.
I'll always be there to motivate and cheerlead you.
Don't expect others to fight battles while you cheerlead on the sidelines.