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Remember when Tom Hanks repeatedly uttered “Stupid is as stupid does” in the 1994 film Forrest Gump?

Today he’d probably say, “Stupid is as TikTok does.”

The social network streams users’ 15-second videos that feature humour, music and dance moves, not to mention cringe-worthy antics by famous folks. But a dangerous dark side of ill-advised “challenges” runs the risk of causing serious bodily harm or property damage.

Many video challenges go viral with seemingly innocuous intent, pushing things like lip-synching and even “testicle-dipping” — plus flex-ploits by more limber users. Unfortunately, we’re barely two months into 2020 and TikTok users are already getting pulled in by some new, more nefarious challenges.

Take a look at the alarming array of risky experiments.

THE SKULLBREAKER CHALLENGE

The title says it all. This viral craze — reportedly originating in Venezuela as “rompcráneos,” or “skullbreaker,” — depicts three friends (we use the term loosely) jumping next to each other as the outside buds kick the middle guy’s feet out from under him.

The action sends the person crashing to the ground, landing on their back and hitting their head in the process. Not only has the alarming trend led to injuries in Miami, New Jersey and Arizona, but Daytona Beach, Florida, police have charged two high school teens with misdemeanour battery and cyber-bullying following an incident there.

In addition, two students in Mexico recently did their own version of the “skullbreaker,” but reportedly used a sweater instead of their feet to trip a girl into doing a face-plant.

THE PENNY CHALLENGE

Also known as the “outlet challenge,” this endeavour is (literally) shocking, a fire hazard in the making and has been called “beyond moronic and pathetic.”

It involves slipping a penny between a partly-dislodged phone charger and the wall outlet and watching the sparks fly. Last month, pranksters at a Massachusetts school gave it a whirl, leading a local fire official to observe that “a fire could be undetected and burning in the walls, endangering everyone that’s in the building.”

After leaving charred evidence in their wake, the students face various charges and possible punishment from the school.

THE CEREAL CHALLENGE

(Warning: Graphic Language)

This one just seems nasty from the outset, but it also could have a potentially dangerous end result. In this test of wills, a person pours milk and cereal into the open mouth of a person lying down and then eats breakfast from the human “bowl”.

Needless to say, things can get super, super messy, not to mention become a choking hazard for the volunteer vessel. “If you guys are cool with cereal in your lungs after you choke that’s cool too I guess,” remarked one user on Twitter.

TIKTOK RESPONDS

TikTok provides an extensive list of “community guidelines” that state the company does not allow “content that is excessively gruesome or shocking, especially that promotes or glorifies abject violence or suffering”.

It also outlines “risky activities or other dangerous behaviour” that is not allowed, including activity that “encourages, promotes, or glorifies such behaviour, including amateur stunts or dangerous challenges”.

A TikTok spokesperson provided the following statement to The Post: “The safety and wellbeing of our users is a top priority at TikTok.

“As we make clear in our Community Guidelines, we do not allow content that encourages, promotes, or glorifies dangerous challenges that might lead to injury, and we remove reported behaviour or activity that violates our guidelines.

“To help keep our platform safe, we have introduced a slate of safety features geared towards enhancing our users’ experience, including tools for reporting inappropriate content and for managing privacy settings.”

This article originally appeared on the New York Post and was reproduced with permission