Crossword Genius

Pretentious DJ does this! (4,2,4)

Ross

I believe the answer is:

puts on airs

I'm a little stuck... Click here to teach me more about this clue!

'pretentious dj does' is the definition.
The answer and definition can be both to do with social activities as well as being verbs in their -s form.
Maybe you can see a link between them that I don't see?

I can't explain the rest of the clue.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.
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