[fæ_ti] fattier,fattiest,fatties
1) ADJ-GRADED: usu ADJ nFatty food contains a lot of fat. Don't eat fatty food or chocolates... The report dispels the myth that Northerners have a fattier diet than people in the south.
2) ADJ: ADJ nFatty acids or fatty tissues, for example, contain or consist of fat. ...fatty acids... The woman lost about 1.8kg of fatty tissue during the week's fast.
3) N-COUNT (disapproval) If you call someone a fatty, you are criticizing or insulting them for being fat. [INFORMAL] Consuming this amount of food could turn these fit players into fatties... `Get another one, Fatty,' said Jerry.
1fat·ty /ˈfæti/ adjfat·ti·er; -est[more ~; most ~] : containing fat and especially a large amount of fat • a rather fatty steak • fatty tissue • I try to avoid fatty foods.