If you are referring to a compilation or a "long piece" version, it would be a mashup of these short meme videos, often found on YouTube or TikTok under #notagoodidea. Could you clarify if you are looking for: A specific song or audio track used in these videos? A long compilation video on YouTube? Help making a meme with this theme?

These videos usually involve a character warning against a dangerous action, followed by the character doing it anyway ("not a good idea"), leading to a funny or dramatic, often chaotic outcome.

Based on your request, this seems to relate to a "Not a good idea" meme video, often featured in Gacha Life or similar animation styles.

The phrase "Not a good idea" is often used as a title for meme or short-form videos featuring characters in perilous or comedic situations.