shimmy vs social dancing

shimmy and social dancing both are nouns.

Word	Noun	Adjective	Verb	Adverb
shimmy	Yes	No	Yes	No
social dancing	Yes	No	No	No

As nouns, social dancing is a hypernym of shimmy; that is, social dancing is a word with a broader meaning than shimmy:

shimmy: lively dancing (usually to ragtime music) with much shaking of the shoulders and hips
social dancing: dancing as part of a social occasion

shimmy (noun)	social dancing (noun)
lively dancing (usually to ragtime music) with much shaking of the shoulders and hips	dancing as part of a social occasion
a woman's sleeveless undergarment
an abnormal wobble in a motor vehicle (especially in the front wheels)

shimmy (verb)	social dancing (verb)
dance a shimmy
tremble or shake