Definition of ぽかん
ぽかん
pokan
Common word
to-adverb
1.
vacantly, blankly, absentmindedly(onomatopia)
2.
openmouthed, with one's mouth wide-open, gaping, flabbergasted(onomatopia)
3.
with a whack, with a thump(onomatopia)
Other readings:
ポカン
、ぱかん
、パカン