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1.
Dutch Slang, founded in Houten / Nieuwegein (Utreg).
Banish means things as cool nice sweet sound, just a positive vibe.
Nowadays its common all over Holland and in some parts of the UK they enclosed banish as urban lingo!
That girl looks max banish!!
by Old Skoolie April 28, 2008
 
2.
a slang word to describe when you are mad at a friend and you want to ignore them, or in other words "banish"
Frankie: I can't believe that that my girlfriend had sex with my brother. I think I should banish her.
Kia: I totally agree with your decision.
by Peter Calabrese September 02, 2007