slicker vs city boy

slicker and city boy both are nouns.

Word	Noun	Adjective	Verb	Adverb
slicker	Yes	No	No	No
city boy	Yes	No	No	No

As nouns, city boy is a hyponym of slicker; that is, city boy is a word with a more specific, narrower meaning than slicker:

Other hyponyms of slicker include city slicker.

slicker (noun)	city boy (noun)
a macintosh made from cotton fabric treated with oil and pigment to make it waterproof	a city dweller with sophisticated manners and clothing
someone who leads you to believe something that is not true
a person with good manners and stylish clothing