和英辞書

ぽい

adv

lightly, carelessly, casually (also indicating something being thrown) / suddenly (also indicating movement away)

彼はぽいと肩をすくめた。

He shrugged his shoulders lightly.

意味（1）

lightly, carelessly, casually (also indicating something being thrown)

屑(くず)箱(ばこ)へぽいと投(な)げた。

Kuzubako e poi to nageta.He tossed it carelessly into the wastebasket.

意味（2）

suddenly (also indicating movement away)

うぬひとり口(ぐち)をきいてぽいと帰(かえ)ったぜ

Unu hitoriguchi o kiite poi to kaetta zeWhen he heard your muttering he -- poof -- went back home.