The phrase itself comes from everyday Spanish slang, with ulala used as a playful expression of surprise and chulada, common in Mexico, meaning something beautiful or impressive. As a short audio clip, it circulates mainly through Spanish-language meme pages, reaction videos and soundboards, where its brevity makes it easy to drop into edits. Its appeal lies in its warmth and humour: it sounds like an exaggerated compliment rather than a formal one, so creators keep reusing it for reveals, compliments and lighthearted thirst traps.