A heart for the world. Giving so much that is leaves others muted/speechless in response. Someone who cares a tremendous amount about others and is always putting others before themselves.
Mother Teresa has a moothart, because of the work she has done for others. Gahandi with his moothart changed all of india.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi