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
2 more definitions
To "Black out with your sack out"
Bro, I totes went boso last night.
by 2065 June 04, 2013
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

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