Thillalangadi (transl. Defiler) is a 2010 Indian Tamil-language action comedy film directed by Mohan Raja. A remake of the 2009 Telugu film Kick, it stars Raja's brother Ravi Mohan along with Tamannaah Bhatia, and Shaam, who reprises his role from Kick, and a supporting cast including Prabhu, Suhasini Maniratnam, Vadivelu, Santhanam, and Sanchita Shetty. The film features a soundtrack composed by Yuvan Shankar Raja, whilst Thaman S's original score has been reused. The film, produced by Raja's father Editor Mohan and distributed by Sun Pictures, was released on 23 July 2010.

Thillalangadi depicts the story of Krishna (Jayam Ravi), a brilliant student who has excelled in all aspects of life but loves to have an adventure in his life and would do anything just to experience this kick (addiction).