Something you write in the subject of an email message when you have nothing else to put in.
subject: Uga buga!
by Erez May 19, 2004
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!!!"
by Peanuts-Red January 15, 2007