Refers to an unbranded range animal. The term originated with Samuel Maverick, a 17th century Texas lawyer and land baron. Highly identified with Bret and Bart Maverick, gambling brothers from the 1957 to 1962 television series, "Maverick." Later made into a 1994 film. Also the call sign of Lt. Pete Mitchell, played by Tom Cruise in the 1986 film "Top Gun." Used sporadically in the U.S. since 1958.