leaf fat: fat lining the abdomen and kidneys in hogs which is used to make lard
fat: a soft greasy substance occurring in organic tissue and consisting of a mixture of lipids (mostly triglycerides)
infectious mononucleosis: an acute disease characterized by fever and swollen lymph nodes and an abnormal increase of mononuclear leucocytes or monocytes in the bloodstream; not highly contagious; some believe it can be transmitted by kissing