Having twat in your vocabulary if you did not come from a region where it originated from is about as bad as wearing a fedora, if not worse.
It's like being American but pretending you have an english accent. You're that type of guy.
Okay but how the forget does me using the word only once ever even REMOTELY effect you, at all? Literally all you are doing is arguing at stupid stuff just for the sake of arguing, you loving man-child. Act your age, stop loving whining about irrelevant stuff just for the sake of doing it.