Tralalero Tralala began in early 2025 as part of the Italian brainrot trend on TikTok, where AI generated animals were given rhyming Italian names and dramatic voiceovers. The shark character quickly became one of the most shared figures alongside Bombardiro Crocodilo and Tung Tung Tung Sahur. The estourado version comes from Brazilian editing slang for audio pushed beyond normal volume, adding distortion that made the chant even more shareable in edits, soundboards and group chats across Portuguese and English speaking communities online.