Dirty Tiger, Crazy Frog, also known as Nutty Kickbox Cops, is a 1978 Hong Kong martial arts comedy film directed by Karl Maka, who also wrote the screenplay with Eric Tsang, produced with Sammo Hung and Lau Kar-wing, who both starred in the lead roles. The film was one of two (along with Odd Couple) produced by Gar Bo Motion Picture Company, a company formed by Hung, Maka and Lau created.