1. slim jim - Noun
2. slim jim - Adjective
(informal) A thin strip of metal such as spring steel used to unlock automobile doors without a key.
(informal) Someone or something very thin.
(UK, historical) A narrow necktie worn by teddy boys.
A kind of dipole radio antenna.
slim jim (not comparable)
(informal) Very thin.
Slim Jim (plural Slim Jims)
(Britain, rail transport) A British Rail Class 33/2 locomotive.
slim-jim