I. fat ‧ ty 1 /ˈfæti/ BrE AmE adjective
[ Word Family: adjective : ↑ fat , ↑ fattening , ↑ fatty , ↑ fatted ; noun : ↑ fat , ↑ fatty ; verb : ↑ fatten ]
containing a lot of fat:
fatty foods
II. fatty 2 BrE AmE noun ( plural fatties ) [countable] informal
[ Word Family: adjective : ↑ fat , ↑ fattening , ↑ fatty , ↑ fatted ; noun : ↑ fat , ↑ fatty ; verb : ↑ fatten ]
an insulting word for someone who is fat