The clip is shared under the MK1 name for the stab effect associated with Mortal Kombat 1, the fighting game entry known for exaggerated, graphic finishing attacks. Its connection to scary movie style edits comes from how often creators borrow fighting game impacts for slasher parodies and fake horror trailers. Short game effects like this spread on soundboards because they are instantly readable without context, work as a punchline in under four seconds, and can be reused across gameplay, anime edits, and live action sketches without needing dialogue.