Nigerian slang word used as an exclamation of a bad situaton. For a direct translation the word has to be divided into two seperate words - "Na" meaning "That is" or "It is" & "WaO" directly meaning "woe"
Man 1 - "Hey bross, I don chop all my money for beer-parlour!" meaning "Hey Bro, I spent all my money at a beer parlour!"
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi