fatso

1. N-COUNT/N-VOC If someone calls another person a fatso, they are saying in an unkind way that the person is fat. 胖子[非正式]

When I was a little girl, there was this mean boy who called me fatso all the time. 我还是小女孩的时候，有个很坏的小男孩老是叫我胖子。