cybernutting

Cybernutting is when you call the name of someone whose name or username is similar to a sound, then claiming you weren't seeking their attention.

Cyrenux: Meow! Meow!
Meow: What?
Cyrenux: Meow!
Meow: What do you want?
Cyrenux: I'm not talking to you. I'm meowing.
Meow: Shut up, Cybernuts. Stop Cybernutting.