German edit

 
German Wikipedia has an article on:
Wikipedia de

Etymology edit

Muster (specimen, example) +‎ -mann (common ending of German surnames)

Proper noun edit

Mustermann m or f (proper noun, surname, masculine genitive Mustermanns or (with an article) Mustermann, feminine genitive Mustermann, plural Mustermanns)

  1. a surname used as an example on ID cards, forms, and the like

Derived terms edit