Phrases like pero que carajo have circulated for years in Spanish speaking meme culture as a go to expression of stunned disbelief, similar to English what the hell reactions. Short clipped versions spread through WhatsApp groups, gaming chats and short form video edits, where the one second length makes it easy to loop or stack over reaction faces. It stays popular because the emotion is instantly clear even to viewers who do not speak Spanish, and the abrupt delivery works for fails, plot twists and absurd screenshots alike.