Basically, yeah. It just kind of works itself out. Normal conversational stuff like "excuse me" will work if you want to say something.
Some rooms are kind of focused on a topic. We start a Mario Party room sometimes, so there's not really any normal coversation going on there. You'll just get nostr:nprofile1qqszd44fgen4ucpl3hjt7muuaazzqdahp3lwu9c07phdweelcdxf3ugpz4mhxue69uhkyetkduhxummnw3erztnrdakszxnhwden5te0wfjkccte9enk2arpd338jtnrdakj7a33qyxhwumn8ghj7mn0wvhxcmmvhj9400 yelling at me for stealing her stars.
It's super easy to just open up another room, so you can always fire up a side chat. For example, you could go to cornychat.com/cigarlounge right now even though we aren't there. That room would show up on the home page and nostr:nprofile1qqsv83ejztakekydrtxp3a5yn3nqc34re9et7knkd3vn35rynlwuklqpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhsqhf6yx would post a note about it. Somebody else might see it and come chat with you.