jock /dʒɒk $ dʒɑːk/ BrE AmE noun [countable] informal
[ Date: 1900-2000 ; Origin: jockstrap ]
1 . American English someone, especially a student, who plays a lot of sport and is often considered to be stupid
2 . British English someone from Scotland – sometimes used in an insulting way
3 . a ↑ disc jockey