An abbreviation for the term 'Cat's Face Down's Face'.
It is used to describe someone who is attractive, with feline-like features (Cat's Face), but perhaps because of this also looks a bit wrong (Down's Face).

A CFDF may be a girl/boy who appears attractive in real life, but emerges as facially challenged in photographs. It may also refer to someone who is attractive in an unconventional way.
'I can't decide if Steph looks really hot or a bit demented.'
'Yeah, she's a major CFDF.'
by SilkShoe May 16, 2010
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