(US, dated computing slang, in combination) A specialist computer programmer.
(US, slang) A young male athlete (through college age).
(US, slang, derogatory) An enthusiastic athlete or sports fan, especially one with few other interests, often stereotyped as slow-witted person of large size and great physical strength.
(informal) A jockey.
(slang) A disc jockey.
(slang, archaic) A common man.
(slang, rare, dated) The penis.
An athletic supporter worn by men to support the genitals especially during sports.