Put it at the start of a video edit as the call that sets up the joke, then follow it with Bruh when mum does not answer, and close with Baby Laughing Meme once the search turns into a gag.
关于此声音
This is a two-second vocal clip of a voice calling out 'Maaamaa', stretching the word into one long, drawn-out call. It feels needy, playful and a little dramatic, like a child summoning mum for something urgent, and that over-the-top pleading is what makes it funny to drop into a joke.