The definition of a mensch is a person who is decent, honest and upstanding.
An all-around good guy who can be trusted and who does good things is an example of a mensch.
Informal a person, esp. a man, regarded as being honorable and responsible and having strength of character
Origin of menschYiddish from Ger, person from Old High German mannisco, origin, originally , human from mann, man + isc-, -ish
nounpl. mensch·es, or mensch·en Informal
A person of integrity and honor.
Origin of menschYiddish human being, mensch from Middle High German human being from Old High German mennisco ; see man-1 in Indo-European roots.
(plural mensches or menschen)