yawa

It simply means "demon" but not many people consider t as that. You can use this word when you hate someone and want them to know, but sometimes people use it as a joke, like when people say the term "shit" not that many people mean it, sometimes it's only used in certain circumstances, like when people rage at their game they'd say "shit" or "fuck", people can also use the word "yawa" in that situation

"gab yawa" or "I suck at this game, yawa!"
You're basically saying a person is a demon because of how cruel they are, or when you hate something