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1.
Useful expression meaning 'wonderful, great, or fantastic.' Adds extra meaning where those words are not adequate in expressing happiness with the current topic.
boyfriend: "I cooked a great dinner for us."
girlfriend: "Fabuloso! You are the best boyfriend evar!" (See "evar")
by h-dub July 28, 2004
 
2.
An Extremely Gay person.......
LEO IS Fabuloso..... enough said!!.. you know what i'm talking about lola
by NIgga name Nate November 28, 2007