Do you find the following example correct?
I'm not that huge fan of yours.
Thank you.
It is correct English, but it is possibly not what you are looking for. g. someone who has previously been mentioned.
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It is correct English, but it is possibly not what you are looking for. In your sentence "that huge fan of yours" refers to a particular huge fan, e.g. someone who has previously been mentioned. I would guess that you want to say "I'm not that huge a fan of yours", which means that I don't like you very much.