F in chat to pay respect. It's common courtesy.
P o g when something happens. It makes the streamer feel good.
Don't feel bad to call out a streamer it's what chat does.
Donations are the best way to annoy the streamer so take hold of the opportunity and kill them with memes.
If the stream allows you to dictate the streamers game screw with them as much as possible.
Killall signing off