An abbreviated form of the word "bosnian", in other words a person who is from bosnia.
Let's go to the boso restaurant
by jsul May 21, 2007
Top Definition
Fijian word for boss. A slang word used to greet Fijians like a brother. Similar slangs like Uso (Uce) in Samoa and Toko (Doks) in Tonga
Whats Up Boso?! or Hows it Boso?
by Kai Viti January 11, 2015
To "Black out with your sack out"
Bro, I totes went boso last night.
by 2065 June 04, 2013
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