Snarl up one Porno Romp I, for one (8,7)

I believe the answer is:

personal pronoun

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

'snarl up one porno romp i for one' is the definition.
I can't tell whether this defines the answer.

'snarl up one porno romp i for one' is the wordplay.
'snarl up one porno' can be anagrammed to 'PERSONAL PRONOUN'.
However, I am not sure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for personal pronoun that I've seen before include "us, perhaps" , "We, say" , "Maybe we" .)

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

Want a hint initially instead of a full solution? Install my app