(N.) A tag, comment or reply that should go over the head of the recipient, but (when done well) provide amusement for those following the thread and infiltrate their subsequent replies.
R24ever: I saw the best boobies at Hackercon this year. This one Xena warriorchick in her leather bikini had smokin' hot 38DDs
Smartass1: I thought Sheena was a man
R24ever: What the eff?? Xena! You don't know who Xena Warrior princess is? really?
Smartass1: Haw dude, it's a song lyric, chill. I was just giving you sarcastatag. Sooooo did you go up and talk to her? Take her back to your room? Did you show her *yer movez?*
R24ever: Nah.... but I could have
Smartass2: Did he show you his light saber? hahaha
Smartass1: (says in a fake R24ever voice) Sheena put that big bad thing away girl.
R24ever: you guys are asshats