Pertaining to the mindset many people have, the need to be near other people (even strangers), often at the disappointment of the strangers/foreign group.

OR

How large numbers of people act in the same ways at the same times.
Parking your car in a space directly next to another, when the entire lot is empty. Also may be used effectively to describe a group's behavior when choosing a spot on an empty beach. If they lay their blanket within a few feet of you, they have demonstrated the herding mentality.

"Did you see where they just put their blanket?! It's practically on top of ours and the ENTIRE beach is empty."

"They totally have the herding mentality."
by grrrrretaa! August 10, 2009
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The inability or refusal to listen to one's own instinct or 'gut feeling' but to instead follow the majority for fear of being wrong, ostracized or ridiculed.
If a herd of animals were haded for a cliff, for the sake of a herd mentality, I doubt one would veer off or stop to save its own life.
by quietstorm October 17, 2007
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A sales, marketing, and business term describing why customers buy products or services because their friends, colleagues, neighbors, and family bought those same products and services previously. Also applies to a buyer's selection of a supplier or sales person to provide products and services to them.
Five years ago, our home had the only swimming pool on Apple Street. Now, thanks to herd mentality, over half the homes on Apple Street have a swimming pool.
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A very common disease that is often displayed in Politically-Correct People.

One typical example of this is when a chorus sings a patriotic song such as "The Star-Spangled Banner", the audience thinks they should stand up and sing along just in case anyone wants to question their patriotism. Quite hard to cure, highly amusing.
Random movie theater audience member: Wow, that was such a great movie that I think I'll get up and clap!

*the whole audience notices and does the same*

Another more sensible audience member: ...They do know that they're applauding at an inanimate object, right?

Me: Poor souls, they've been inflicted with Herd Mentality.
by EniBelle April 13, 2010
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/hərd menˈtalədē/

noun

1. the uncontrollable urge of the masses to blindly, yet boldly follow the advice of a known con-man and grifter, especially one that self-identifies as a stable genius, over that of the vast consensus of the medical and scientific community
“There’s no need to wear a mask at a Trump rally because there’s herd mentality”
by Ain’t drinking bleach neither! September 17, 2020
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the inability to understand epidemiology and to trust science and experts that herd immunity does not involve letting a virus run rampant through a population.
President Trump defended his assertion that the novel coronavirus would "disappear" with or without a vaccine on Tuesday, saying the United States would develop what he called "herd mentality."
by fawkes21eod September 16, 2020
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/hərd menˈtalədē/

noun

2. a disorder of the brain which may lead one to do things that may cause bodily harm to themselves or their loved ones
by Ain’t drinking bleach neither! September 17, 2020
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