'Frat boy' uses dead shark's teeth to 'shotgun' beer

A 'frat boy' in the US has been blasted on social media for filming himself using the teeth of a washed up shark to shotgun a can of beer.

In the video, uploaded to Instagram account 'Totalfratmove', a shirtless young man bends over the lifeless body of a small shark on an undisclosed beach while his friend wrenches open the creature's jaws.

The shirtless man then swings the beer can into the shark's teeth before chugging down the amber liquid through a punctured hole.

The practice is known as 'shotgunning', which involves punching a hole in the side of a can and draining the liquid while releasing the ring-pull.

The video was uploaded to Instagram yesterday has been viewed more than 500,000 times. It does not provide any details as to their location, though it is believed to be university students on 'Spring Break'.

However, it has caused much conflict among viewers, with many being less than impressed with the act.

"I would love to knock this kid out if I saw this happen, stupid parents breeding stupid kids," hunter_ashley95 wrote.

"This is total animal cruelty," hannahreiter wrote.

"Karmas gonna bite this due in the ass. Or a great white shark. Either way I'm cool with it," thenatehelder wrote.