Thigh slapping is said to be a sign of showing arrogance and a gesture of showing readiness to fight with one's enemy. Natasimham Nandamuri Balakrishna is known for thigh slapping. He slapped his thighs in his industry hit movies such as, 'Samarasimha Reddy', 'Narasimha Naidu' and many more movies. There after, he slapped his thigh many times in his public appearances as well.
As far as Chiranjeevi is concerned, he slapped his thigh in his industry hit movie 'Indra'. However, some of the fans of Chiranjeevi are saying that Chiranjeevi is the pioneer of thigh slapping. They say, Chiranjeevi slapped his thigh in 'Mutha Mestri', a super hit movie, which was released on 17th January, 1993. Chiranjeevi slapped his thigh in the interval lead scene in the movie.