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The amount of time for which a meme is considered "spicy", or in other terms, trending. Based on the amount of time something will last before it decomposes, but with regards to memes.

Memes have varying shelf lives, lasting from a few days to perhaps even a few months, depending in its spice factor.

If a meme goes beyond this point, it is considered dead. Although they may undergo impromptu resurrection (lasting a week at the most), all memes will reach their graveyard and respective gravestones and cannot return to the internet shelf.

The shelf life of a meme is not entirely accurate or precise. Memes can be shoved off the shelf faster than the shelf life predicts, thereby accelerating it far beyond expected through use of external factors. For example, if Weird Al parodies it, or Facebook user (particularly Facebook moms) post it to the general public, then the meme dies faster and the shelf life is decreased exponentially. This is mostly unpredictable.

Shelf life is considered the best way to judge the lasting effects of memes (good or bad).
------------------------------January, 2018------------------------------
Person 1: "Hey you heard about that new Ugandan Knuckles meme? It's everywhere on VR Chat!
Person 2: "Nah it's a January meme, automatically making it terrible. It will only have a shelf life of about two weeks. At the very least, it won't survive this month."
by Mickey_G_ April 24, 2019
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Jun 5 Word of the Day
portraying police in a positive or helpful light, when in reality they are the violent fascist tools of an authoritarian military state
That show is all copaganda. No such thing as a good cop.”
by venediction May 27, 2020
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(similar to one existing def.-but expanded!)

length of time of physical and/or sexual desirability in a human. a reference to body parts 'gone/going bad' due to lack of maintenance, genetics, and/or 'human chronological erosion'

-'goods' 'for sale', only at their 'prime' for a "limited" time!!

a sunny, optimistic, "good personality" (other skills?) MAY sometimes offset this!
that babes' shelf life is increasingly SHORT!

his beer gut is superseded by his million dollar payday, extending his shelf life.

the old fool imagined his shelf life hadn't expired 20 years previous...

the shelf life of that perky butt is questionable!!
by michael foolsley July 01, 2012
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When a girl got a bodonkadonk adonk big enough to put a book on it. Hence, the booty becomes a shelf and can last a lifetime
Adia's booty just keeps on growing. She got that shelf life. Good for the bedroom boom.
by Squeezy Peezy December 08, 2011
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This is where a male or female has a relationship with someone who is off and on with them.
Who uses them for their pleasure, when they feel like it and then 'puts them on the shelf' when they have got what they want.
Person: Yeah im living a bit of a shelf life at the moment
by Shelf-Liver March 14, 2005
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Refers to the time duration in which a pair breasts are free from the undesirable effects of time. Sagging, stretching, veining, and etc.
A set of DD's will have a lower shelf life than a nice firm set of C's.
by Langerangatang June 16, 2010
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