This phrase is commonly used to tell someone to settle down before they become overly angry or upset. Italians tend to use this phrase more often than other nationalities.
Amanda: I skipped class today and I just realized I might have missed a test!
Anthony: Don't get hot!
Amanda: Ok.
Anthony: Don't get hot!
Amanda: Ok.
by strawberryamanda October 4, 2006
by Iimhow December 19, 2016