Something you write in the subject of an email message when you have nothing else to put in.
To be sarcastic in a certain situation, or a exagerrated form of speech.
"There a uga buga amount of people here today" or "Uga Buga this is confusing!!!"
This is what people in Podlasie are saying
Person a: uga uga buga
Person b: uga buga buga