| Summary | “Nandedarou?” means “I wonder why?” in Japanese. It became a popular catchphrase in the early 2000s, performed by the comedy duo Tetsu and Tomo. The gag is delivered in a sing-song style with simple dance moves and funny observations about everyday life. |
| Genre | Comedy / Music Gag |
| Typical Age Group | 30–60 years old |
| Audience | General public Kids and adults alike |
| Popularity | ★★★☆☆ |
| Relevance | ★★☆☆☆ |
| Usability | ★★☆☆☆ |
| When to Use | As a lighthearted reaction to something that doesn’t make sense |
| How to Use | Raise one hand in a questioning gesture, tilt your head, and sing “NANDE DAROU〜 NANDE DAROU〜” Can be used to react to something confusing or silly. |
| Cultural Note | Tetsu and Tomo’s “Nandedarou” debuted on Japanese TV in the early 2000s and quickly became a cultural meme. Their act involves dancing in matching red and blue tracksuits—one sings and dances, the other plays guitar. The song humorously highlights little contradictions and frustrations in daily life. |
Original Performance
You can hear this phrase at around 00:11 in the YouTube video.