doki-doki
Heartbeat racing from excitement, nervousness, or romance. One of the most iconic Japanese onomatopoeia.
💡Before confessing feelings — 'My heart is going doki-doki!'
告白の前にどきどきする。
My heart goes doki-doki before confessing.
My heart was ___ before the big date.
デートの前に心臓が○○する。