Littering a soft drink can with ポイ捨て

Vocabulary Explanation: Littering with ポイ捨て

As Kenji Fudazuki ponders ways to increase his image as a delinquent, he hears a teacher asking who littered an empty soft drink can. Seeing an opportunity, Kenji takes credit for the misdeed. With this revelation, the teacher backs off and leaves quietly.

Students:: 「札月(ふだづき)だったのか。」; “So it was Fudazuki, huh?”; 「しかしポイ捨(す)てしといて全(まった)く悪(わる)びれてないぜ…」; “But to litter, he really has no shame...”; 「むしろ怒(おこ)ってた先生(せんせい)ニラんでたぜ。」; “Instead, he glared at the scolding teacher.”; 「ホント…怖(こわ)いなぁ。」; “He truly is scary.”

Key Points

1ポイ捨て means casually throwing trash away

ポイ mimics tossing something lightly; 捨(す)て means discarding.
Together it means littering.

2しといて is casual しておいて

ポイ捨てしといて means “after littering” or “having littered”.

3悪びれてない describes lack of remorse

悪(わる)びれる means to act ashamed or guilty.
全く悪びれてない says Kenji does not seem sorry at all, which supports his delinquent image.