I think that the dative is your best bet, along these lines.
'For me, this is much food.'
This is, I believe, a Dative of Reference.
mihi, viro talis magnitudinis, hic cibus nimius est.
For me, a man of such size, this food is too much.
The only thing we can guarantee when communicating via the internet is that we will be almost completely misunderstood, and likely cause great offence in doing so. Throw in an attempt at humour and you insure a lifelong enemy will be made.