キュン死
きゅん死
キュンし
キュン死
きゅんし
きゅん死
noun (common) (futsuumeishi)
noun or participle which takes the aux. verb suru
see: きゅん
colloquialism
one's chest tightening up (from emotion) so much that one feels one's heart might stop
"dying of cuteness"
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