Parkour itself is a movement discipline built around running, jumping, vaulting and climbing through urban spaces, and short clips of that movement have long been popular in online video. Sounds like this one are used as shorthand for that energy, letting an editor signal a leap or landing in less than a second without needing a longer track or explanation. Its brevity is the point: in fast feeds and short edits, a single sharp cue can carry the whole joke or stunt, which is why brief movement effects keep getting reused across memes, montages and gameplay clips.