When you are doing something that makes sound and you don't want other people to know you are doing that activity. So you try to cover up the noise you make with another thing that makes noise.
When you poop you turn the bathroom fan on to create a sound barrier.

When you masturbate and other people are in the house you turn the T.V. louder.

When having sex you turn on the T.V. or music.
by killacab February 19, 2012
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That point where, despite your best efforts, the sound of your food wrapper penetrates the surrounding air and noises and makes its way to your "sound asleep" dog's ears waking him and drawing him to the anticipated food source
Despite his best efforts, the crinkling noise of Bill's burger broke the hound barrier and his dog came running for a bite of it.
by Sheltielover71 February 8, 2013
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The barricade that every mans hopes to conquer amidst the yoga pants revolution. Tightly fitting exercise pants that accentuate the titillating silhouette of a woman's voluptuous legs and buttocks most often created by yoga pants.
"It's our third movie night this week, I think I'm finally going to breach her yogi barrier"

"I'm about to break through her yogi barrier"
by HMPoll February 1, 2015
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A decade barrier is when you are so broke that you can't afford a car that was made in the same decade.
Me: I just bought a 2017 Chevy Cruze. I haven't bought a car since 2006!
Them: That's great - you broke the decade barrier.
by Siouxsie Supertramp September 5, 2020
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1.) the point of the conversation where a person first uses the word fuck. from then on anyone can fuck the conversation without it being inappropriate

2.) a measure of the speed of a relationship.
1.) Eunice Bloom: Well, since we've broken the "Fuck
Barrier," allow me to be blunt.

2.) Girls worth dating never break the fuck barrier on the first date.
by booshchugger March 28, 2010
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A binder or notebook hormoney, middle and highschool boys use to conceal errant erections or NRBs. If one cares to realize, use of a boner barrier is rather obvious due to the uncharacteristic way the binder or notebook is pressed against the crotch region.
"Man, Jenny is looking pretty fine today, I'm thinking of asking her to the 8th grade prom."

"yeah, she can touch my digital pet any day of the week."

"::school bell rings:: Quick, throw me your notebook, I need a boner barrier."
by desperryado October 4, 2005
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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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