Most memes are photos with captions that are supposed to be either funny or used as a way to ridicule a human behavior.

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Memes can also be videos or verbal expressions.

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Memes are a worldwide social phenomenon, according to Lifewire; they get spread around social media like flu and cold viruses.

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Cecil Adams from theStraightDope.com said that memes are “either really, deep or really, really obvious.”

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The world “meme” was coined by Richard Dawkins, an evolutionary biologist in 1976.

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And comes from the Greek word “mimema,” which means “something imitated,” according to the American Heritage Dictionary.

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