søg på et hvilket som helst ord, for eksempel sex:
 
1.
A mental barrier set in place to govern when it is acceptable to fart. To fart before it has been observed "ok" to do so, in a given public surrounding, would be breaking the fart barrier.
Farting in line at the bank, Breaking the fart barrier.

Farted at a job interview, definite breaking of the fart barrier.
af NarcolepticRelic 9. februar 2011
 
2.
The fart barrier is passing the point in a relationship where farting in each other's company has become accepted. Thus strengthening the relationship and bond of the couple.
I farted in front of Jules the other day! We finally made it through the fart barrier!
af Vinnyitsvinny2 7. april 2014