"Echan" = "empty channel" - IRC slang for joining a channel, seeing no recent activity, and immediately leaving. It's considered bad etiquette because IRC chan

"Echan" = "empty channel" - IRC slang for joining a channel, seeing no recent activity, and immediately leaving. It's considered bad etiquette because IRC channels are often quiet but still active - you're supposed to stick around and just ask your question directly rather than bailing when you don't see instant chatter.