Top Definition
When you are performing oral sex on your partner and they pass a SBD (Silent but deadly) fart.
Wow! Man I was going down on Becky and the next thing you know she puffed a breath of fresh air right in my face! I was so grossed out that I left.
by Ini & Dom December 02, 2008

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×