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The origin of this elongated Matsui call is not clearly documented, and no specific film, show or creator is reliably credited with it. It circulates online as a short-form reaction clip, shared under stretched spellings like Matsuuuuiiii to match how long the name is held. Its popularity comes from the delulu label attached to it, a slang term for playfully delusional romantic or fandom thinking. Users keep reposting it for exaggerated longing, celebrity worship and joke obsession, where a normal name call would not feel dramatic enough.
O tym dźwięku
A drawn-out voice shouting Matsuiiii for nearly thirty seconds, used as a delulu reaction for obsessive crush, fandom and over-the-top calling moments.
This sound is a single stretched-out call of the name Matsui, held and repeated with rising, theatrical energy until it becomes pure exaggeration. The voice sounds lovesick, desperate and proudly delusional, which is why listeners label it delulu. It does not build like a song or effect, it just keeps going, and that length is the joke. Played over a normal clip, it turns a small crush, a celebrity sighting or a fandom moment into something dramatically obsessive, making the person on screen look far more fixated than they really are.
