1. Minnesota nice - Noun
2. Minnesota nice - Adjective
Minnesota nice (uncountable)
(US) A style of pleasantness, courtesy, cooperation, and helpfulness associated with Minnesota culture; a form of Northern Plains charm.
Minnesota nice (not comparable)
(US) pleasant, courteous, cooperative, and helpful (as associated with Minnesota culture)
From that point forward, Marge retains her Minnesota Nice ways, yet she becomes more focused during the investigation. Source: Internet
This is Minnesota Nice. Source: Internet