Do you still a twit?
Do you wanna become twitterbird?
Do you still confuse what was tweeples saying?
I think that one most important factor for a twitterbird is speaking in twitter language. There are many tword in twitterverse and you will be spending quite times researching for these. Tword is for all the shorthand created due to the character limitations of twitter, IM clients, SMS and more. Some people has make lists of tword in twitterverse and there are some online dictionary to help you understand the meaning of a tword. This is a list of sites that contains twords and its definition.

Twictionary : The Dictionary for Twitter!
A repository for the meanings and manglings of words and language on Twitter

Twittords : Twitter Dictionary
Find and add the best words you see in Twitter, IM clients, and SMS!

Twittonary : The Twitter Dictionary
Twittonary provides explanations of various Twitter related words.

Shannon Yelland wrote :
My Twittonary : Every Twitter Term and Tool I Can Find

Pete Cashmore wrote :
Twitterspeak: 66 Twitter Terms