slim jim

Noun

 * 1)  A thin strip of metal such as spring steel used to unlock automobile doors without a key.
 * 2)  Someone or something very thin.
 * 3)  A narrow necktie worn by teddy boys.
 * 4) A kind of dipole radio antenna.
 * 1) A kind of dipole radio antenna.

Adjective

 * 1)  Very thin.