Earlier quoted context omitted.
Yeah, most people take the promotion spamming as the main one, but you can also refer to some forms of shitposting as spamming (join any twitch chat and watch whatever the current spam emoji is flood by) - but the second is more almost a form of cheering perhaps. If you wanted to divide it further I guess you could discuss "in-group spamming" and "out-group spamming" where almost all of the promotional stuff falls in…
I guess I'd describe repeatedly posting the same emoji to a chat as flooding rather than spamming. Even then, your mention of cheering further divides it into two categories of behavior: 1. Cheering. That's as good a description as any. This is intended to express excitement or approval and rally the in-group. It temporarily makes the chat useless for anything else, but that isn't its purpose. 2. Flooding. This is an…
Some streaming platforms have a button you can hit that makes party emoji or heart emoji or whatever appear in a stream from the lower right, that's a similar thing which helps with cheering so you can then combat flooding.