Became a bit of a carpet salesman, myself... " This brought hoots of derision from some of his listeners.
It doesn't matter two hoots that you've already paid out a small fortune.
Words for cheers are nothing more than expressions of positive support for your team, and if hoots and hollers will do that as well as verbs or a nouns, by all means, use them.
The group communicates with a range of calls, including trills, squeaks, grunts, hoots and barks.