. It typically references a specific viral video associated with a person named Meli, often framed through the lens of "nostalgia" for the early mobile video era (the file format). Here is a post written in the style of that trend: 📹 Flashback 2021: Siapa yang Masih Ingat?
Here is a blog post draft that captures the nostalgia and context of that time. meli 3gp dulu 2021
So, "Meli 3GP Dulu 2021" likely refers to (simulating old 3GP video quality) made in 2021, possibly a parody or nostalgia skit featuring a creator named Meli. meli 3gp dulu 2021