Those enjoying a fling at the dance? (5)

I believe the answer is:

scots

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'dance?' is the definition.
The definition and answer can be both related to communication as well as being singular nouns.
Maybe they are linked in a way I don't understand?

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for scots that I've seen before include "UK northerners" , "A UK language" , "Glaswegians, Aberdonians etc" , "Language of Burns" , "North British" .)

I've seen this clue in the Evening Standard.

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