1. The epitome of internet asshattery.
2. An annoying member of an internet message board who thrives on spamming it up with his eqully irritating friends.
Random Guy A: *On-topic post*
Random Guy B: *On-topic follow-up post*
Kaploodle: OMG GHEY SPAM! WHEEE!
Random Guy C: You're such a twatstick.