2684720 jmdict A [id=2225871] ポトン;ぽとん;ポトッ;ぽとっ;ポテン;ぽてん;ポトっ[sk] [1][adv-to][on-mim] with a plop; with a plonk; with a plunk; with a flop [see=2520900・ぽとり[1]]