ポカン
Meanings
Adverb taking と
1. vacantly; blankly; absentmindedly (Onomatopoeia)
2. openmouthed; with one's mouth wide-open; gaping; flabbergasted (Onomatopoeia)
3. with a whack; with a thump (Onomatopoeia)
Other readings
Examples2
その
That child stared at me, his mouth agape.
彼
He was standing there with a vacant look.