1 definition by Loni Kate
An exclamation of disgust or shock particularly when something gross is discovered or being talked about. Said much with the same emphasis "Dude" would be given in similar situations.
Upon discovering your parents having sex... "Yo!"
A friend tells you about the hair she found in her Pad Thai... "Yo!"
A friend tells you about the hair she found in her Pad Thai... "Yo!"
by Loni Kate May 8, 2008