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)