salt-and-pepper
salt-and-pepper
A mottled mixture of black, grey, and white. Usually used in reference to hair. Her salt-and-pepper hair gave our teacher a look of distinction and authority.
Farlex Dictionary of Idioms.
salt
 n. a sailor. (Especially with old.)  I’ve sailed a little, but you could hardly call me an old salt. 
salt and pepper
1.  n. a black and white police car.  There is a salt and pepper around the corner waiting for speeders.  
2.  mod. interracial, including black and white.  It was sort of a salt and pepper meeting, with representatives from all neighborhoods. 
See also: and, pepper, salt
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
- salt
- salt and pepper
- (as) black as night
- black as night
- black as pitch
- (as) black as pitch
- slickum
- get in (one's) hair
- get in somebody's hair
- out of curl