A needle dick usually talks in a loud voice, shouts alot regarding PVP and is rude to fellow players.
Being a needle dick in The world of warcraft comes from having a small penis causing alot of anger and frustration.
The following places are where you will find needle dicks:
Outside Ironforge Dueling
Any of the PVP arenas
Outside Dalaran Bank doing gear inspections for pugs
VOA on a wednesday
HoN - heroes of newerth
Spamming trade with the following: "LFM ToC,Naxx,udluar *ITEM RESERVED (usually grim toll or trinket of some sort* must link achievement, stats & epic"
Mike: All he did was shout at us and get really agressive
Dave: was he SWE?!?!?!? :))))))
Mike: Yes, how did you guess?
Dave: You've just experienced a needle dick
Garry: Why did that undead mage start jumping after he killed me?
Steven: Must be a needle dick
Baz: WTF HOW COULD LET HIM KITE YOU, ARE YOU RETARDED OR SOMETHING? **Sigh**
Larry: Stop being such a needle dick