literally "goodbye fart"
1. a fart that smells so bad it clears the room
2. ripping a fart as you leave a room, so that it stays behind as you leave
1. Sorry, I think that is going to be a "sayonara onara". I ate ramen today.

2. As I was walking out I gave them a "sayonara onara".
by San Mateo San November 28, 2022
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