1. Someone who makes a habit of going to online chatrooms.
2. Someone you see typing or talking in a chatroom everyday for months or years. If you see them everyday over a long period, you've become one of them yourself.
3. Variant spelling for chatoholic
Benny1947 was your typical chataholic who couldn't seem to break the habit of showing up for endless hours in the same chatroom month after month, year after year.
Chataholic: A chat room addict. All they ever do is chat. If you cam them, you will see their rooom behind them in a total mess, because all they do is chat.
"It was gross, I cammed him and not only was he naked and 'it' was 'in his hand', the whole room behind him was a disgusting mess, I think this is his whole life, he's a Chataholic"