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!
by Vinnyitsvinny2 April 7, 2014
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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.
by NarcolepticRelic February 9, 2011
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The fantastic adventure movie featuring Harrison Ford, Denzel Washington, Kevin Costner, and others. In a flatulent fantasy wonderland, Ford traverses the complexities of real relationships by determining the best time to drop his first audible and smellable fart in the presence of his one true love.
Dude, Indiana Jones was cool, but 'Fart Barrier' was Harrison Ford's best movie.
by The Poopetrator December 14, 2018
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The barrier that usually exists against farting in the company of each other at the outset of a new relationship. The individuals involved are usually very hesitant if not incredibly embarrassed to cross this barrier, at least not too early.
I can see you just crossed the farting barrier and you will regret that later tonight. Let me guess, a bean and cheese burrito for lunch? Excuse me while I go hang out with the dog in the other room for a while.
by Fanictic October 3, 2013
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