This is the “Rais” sound effect - a quick cartoonish noise that plays when something pops open.
Background
The Rais sound is a simple cartoon pop noise that pops open. It has been used in a lot of viral videos and memes over the years.
You can hear it by clicking the play button on this page.
Why It Became Popular
The Rais sound became popular because it has a fun cartoonish quality. It works really well as a quick punchline in short videos.
People started using it in all kinds of meme videos and edits because it sounds so cartoonish and punchy.
The Rais sound effect has become a staple for making quick funny edits online.