Giant, sagging, wobbly, stretch-marked breasts that are so big you'd need a ready supply of oxygen to conquer them. Usually the only "attractive" feature a man can find on a grossly overweight woman, even when drunk as hell.
guy 1: "I was so tit-faced last night"
guy 2: "yeah, I could tell, you were in and about that fatty all night"
guy 1: "oh jesus, now I remember, did I try to conquer her mount everbreasts?"
guy 2: "you had to be revived by paramedics mate"
guy 1: "Sir Edmund would be ashamed"