Dr. Tirta is an Indonesian doctor and public figure known online for his blunt, energetic speaking style in health talks and social media videos. Short shouted phrases from his appearances are often clipped by Indonesian creators and reused out of context as reactions. The word sikat is used in everyday Indonesian slang to urge someone to go for something or take it on. Clipped this tightly, the original context disappears and the shout becomes a versatile Indonesian internet reaction, shared in edits where confidence, pressure or comic aggression is the joke.