also: むねきゅん
noun, noun or participle which takes 'suru'
heart pounding; chest tightening
Describes the sudden, emotional tightening in the chest often associated with romance, excitement, or a touching moment. Frequently used in manga, anime, and casual speech. Can be used as a noun or with する to describe the sensation.
See also: きゅん
彼の笑顔を見て胸キュンした。
My heart pounded when I saw his smile.
このシーン
This scene makes my chest tighten every time.