Top Definition
A condition where a person has to fart so bad they become erect; A condition where a person has such a satisfactory fart they become erect.
"Dude, I just shit my pants. I think I have a fart boner."

"Oh man, I'm going to shit my pants. I'm getting a fart boner."

by Jake Adams October 22, 2007
1 more definition
5 Words related to Fart Boner
The act of farting while you have a boner.
Aww man! I have a fartboner

Eww it stinks!
by AlphaCookie January 03, 2011

Free Daily Email

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

Emails are sent from We'll never spam you.