Crossword Genius

Drug addict celebs getting tags on site? (9)

Ross

I believe the answer is:

usernames

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'tags on site?' is the definition.
I don't know anything about this answer so I cannot tell whether it can be defined by this definition.

'drug addict celebs getting' is the wordplay.
'drug addict' becomes 'user' (someone who uses drugs).
'celebs' becomes 'names' (I've seen this in another clue).
'getting' means one lot of letters go next to another.
'user'+'names'='USERNAMES'

Can you help me to learn more?

I've seen this clue in The Telegraph.
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