What in the world is Gynecomastia??

Answer 1

Manboobs.

Seriously, it is the proper medical term for a hormonal condition that results in men developing some mammary tissue. In most cases, the condition can be treated with hormone therapy. Sometimes the problem is with a glandular malfunction (tumors, benign or otherwise).

Answer 2

Gynecomastia (or Gynaecomastia), pronounced [ˈgaɪ.nə.kəʊˌmæs.ti.ə] is the development of abnormally large mammary glands in males resulting in breast enlargement, which can sometimes cause secretion of milk.

Answer 3

enlarged breasts on men...