A word that can have very many meanings and be used in many contexts. You can call a person it in place of idiot or arse, you can use it instead of damn etc...
Hey why are you being such a fugga wugga?
Oh fugga wugga, I lost my keys.
Prices shown in USD.
邮件由 firstname.lastname@example.org 发出。我们决不会发送垃圾邮件。