Candela is a Spanish word linked to candles, flame and fire, and in Caribbean and Latin slang it can also mean intensity, trouble or something looking hot. Online, the repeated phrase became a compact reaction sound because it is easy to recognise, easy to loop and clear even in a very short clip. Its popularity comes from that double meaning, letting creators use the same shout for literal heat, spicy food, attractive entrances, parties or sudden drama without changing the audio or adding extra context.