An emoticon for when you're only awake due to caffeine and you are sitting in front of your computer screen dancing like a maniac whilst playing an MMORPG.
Noun - Abbreviation for "douche bag". 1. Someone who is a complete and total ass hole to others. 2. Someone who is completely oblivious to what is going on.
1. "What the hell are you doing Mark?! Get your shit together and figure it out D.B."
2. "Greg thinks he can never be wrong. He's the cockiest person I've ever met. What a D.B."