>>25138944Bullet with Butterfly Wings is something an edgy school shooter would listen to, and the picture is of a person using a Pokémon backpack to store bullets. The filename is a pun based on the aforementioned edgy song.
It's not that funny when you have to explain it in detail, and maybe it wasn't funny in the first place, but there was a joke.
This is why /vp/ never does filename threads.
