An impressive looking device or scheme, that in fact, does nothing. It is commonly believed that pedestrian controlled traffic signals and signs warning that police monitor speeders by aircraft, are blatant examples.
Why are you pushing the "close" door on this elevator? It's just a mechanical placebo.
by Bill Peters August 12, 2006
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When you have a quarterback who is really popular with fans and people think he is a winner, but in reality he is nothing special and should be the back-up. He is allowed to play so that the fans will shut up about how they know none of their players by name, and to make games a lot more lopsided so they get a better pick in the draft and can actually draft a good quarterback.
Football Fan #1: "I am so glad they let Tim Tebow start now!"

Football Fan #2: "Enjoy it while it lasts."

Football Fan #1: "What's that suppose to mean?"

Football Fan #2: He is just a Tebow Placebo. This time next year, he will be old news, sitting on the bench yet again"
by Modest Maniac October 29, 2011
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The thought that jesus will bandage your pains.
Hey man your back still hurting?
Yeah but I be on that jesus.
You mean jesus placebo?
by Stef@ May 5, 2014
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Can also be shortened to simply "syndrome." The unbelievable and unthinkable, not to mention thoroughly unfunky, shit white people do, especially in large groups.
The syndrome was in full effect when the whole crowd started doing the Chicken Dance during the minor-league hockey game.

The syndrome incarnate: Celine Dion, Paris Hilton, the Osmonds, Mormons.
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The feeling most people get after wereing high heels for a while.
It feels like your heals are digging into the ground.
1:hey my feet are digging in two the ground

2:have you been wereing heels

1:yeah
2:it's probably placebo-heel
by Mr Clegg heel March 21, 2018
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Extraphysical Placebo, also Extraphysical Placebo Effect, is an extraphysicalist and an extraphysical mechanics concept where the placebo effect is actually the influence of extraphysics and of the extraphysical mind and spirit over someone's physical body, such as the influence of the extraphysical level on someone's physical body. Extraphysical placebo is used to explain about how majority of the spiritual experiences are so similar to placebo effect and about how it's really hard to have a spiritual experience that could overcome the placebo effect as well. The term is also used for the development of extraphysical-based medicine and technology that could modify physical bodies and things only by extraphysics.
"Studying about extraphysical placebo effect is a lot interesting, mainly to understand about how are extraphysical influence over people's bodies and how it would be possible to have strong extraphysical influences that could overcome the placebo effect as well."
by Full Monteirism April 10, 2021
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A type of medical tape administered for people who are diagnosed with a fake injury to give them a reason not to bitch about it anymore. This tape does nothing more than stick to the skin. It proves hard to remove for hairy individuals.
Joe: “Tom why did you stop erging?

Tom: “My wrist hurts.”
Joe: “Have some placebo tape, this should ‘fix your injury’ for you.”
Tom: “Wow! It is like I never had an injury in the first place!”
by SuperLampDude May 7, 2019
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