If you jump off a building and yell "parkour," how can they tell that it was intentional? T'was a failed stunt.
Failed Parkour
Explanation
Explain Bear
Alright listen up, nimrod. So, this chucklehead jumps off a building yelling "parkour" like he's in some action movie. But here's the kicker: if it was a real parkour stunt, he wouldn't be splattered on the pavement like a pancake. The fact that he failed miserably? That's how they know it wasn't on purpose, genius. Parkour is about skill, something you clearly lack based on your taste in jokes.