Quote Originally Posted by kimoi View Post
http://www.thefreedictionary.com/must+needs+do

Wouldn't it be strange if it only happened once or twice? The fact that it happens all the time shows that it's a common feature of the dialect of Eorzea. They also like to say "anyroad" and "much and more". It's just there to add flavor, not any major issue.
I think "anyroad" is the first bit of...slang(?) you encounter in the game. Took me a while to realize what they were using it in place of, but I certainly enjoy it now that I understand.