Post Malone fell flat on his ass on the floor attempting to backflip off a chair Monday ... slightly painful, unintentionally hilarious, all caught on camera during a live stream.

iShowSpeed practically knocked himself out while attempting to do a backflip in front of his girlfriend, Vanessa, recently on stream. iShowSpeed was streaming with Kai Cenat for a Fortnite OG marathon ...

During a live stream, Post Malone attempted a backflip inside his room, but things didn’t go as well as he had probably hoped ...

One jump, one flip… and one epic fail! 😅 This backflip attempt didn’t exactly go as planned. Watch the moment it all goes wrong — and try not to laugh. Perfect for fans of stunt fails, bloopers, and ...

Maybe after four years of college and late nights up studying for finals, landing a backflip is too much to expect from this graduate of Davenport University. His consolation: being one of the few ...