爆笑

• 読み: ばくしょう
• ローマ字: bakushō
• 漢字の分解: 爆 (baku, explosion/burst) + 笑 (shō, laugh/smile) — literally 'explosion laugh,' vividly describing uncontrollable laughter.
• 発音: /ba.ku.ɕoː/

意味

Burst out laughing or dying of laughter — an explosive, uncontrollable laugh.

Technically 爆笑 originally meant a group of people laughing together loudly, but modern usage has shifted to mean one person laughing explosively hard. It is one of the most common ways to express intense laughter in Japanese, used constantly on social media, in conversation, and in entertainment. Often appears as 爆笑した or in compound forms like 爆笑もの (hilarious thing).

例文

1. 友達のモノマネが上手すぎて爆笑した。
2. あの芸人のネタ、電車の中で見て爆笑しちゃった。
3. 昔の写真見返してたら自分の髪型に爆笑した。

使い方ガイド

場面: friends, social media, comedy reactions

トーン: humorous, energetic, amused

正しい言い方

• その話爆笑なんだけど！聞いて！ (That story is hilarious! Listen!)
• 深夜に動画見て爆笑して家族に怒られた。 (I burst out laughing at a video late at night and my family got mad at me.)

避ける言い方

• 目上の人の失敗に「爆笑」と言うのは失礼 (Saying you 'bakushō'd' at a superior's mistake is rude — sounds like you're mocking them)

よくある間違い

• Purists may correct you that 爆笑 should only describe group laughter, but individual usage is now standard and universally understood

起源と歴史

Composed of 爆 (baku, explosion) and 笑 (shō, laugh). The compound evokes the image of laughter erupting like an explosion. Originally described group laughter but shifted to individual usage in modern times.

文化的背景

時代: Traditional compound, modern individual usage from 1990s onward

世代: All ages (universal)

社会的背景: Universal informal

地域メモ: Used across all of Japan. Extremely common in everyday casual Japanese, both spoken and written.