A modern legal term, _Bona Dude_ means "in good dude" in a cross of Legal Latin and Modern English. The term stresses the entirely "good dude" nature of the person to whom it refers. A "bona dude" is sincere and earnest about being a good dude.
First used by @SCOTUSblog on Twitter, 2017 June 26.
The Supreme Court of the United States lifts injunction against travel ban, except with respect to individuals with _bona dude_ relationship to the US.