Typically used in pornogrind originally from the underground Mexican pornogrind scene.
Random chad: “Haha this song goes “tupa tupa oink””
Mincecore crybaby: “What?!? You can’t like pornogrind its misogynistic! >:-(“
When someone's telling a lie/exaggerating about something
Neils says "Billy bought a Ferrari" Anand says O oink