The definition of "cool" has gone through a major overhaul over the years.
What was "in" a decade ago isn't exactly what's poppin' these days. Even millennials have been made fun of by Gen-Z's for their "cheugy" ways.
People's "cool" behaviors are also under a microscope. This began when one Redditor asked, "What do people think makes them look cool, but actually makes them look like a douchebag?"
Here are people's answers.