It means a person or object that is outgoing or extra. The word "Exstravar" is usual followed by the phrase "what are you doing".
Person 1: "I really like to cause fights for no reason"
Person 2: "Bruh your so exstravar like what are you doing.
Person 2: "Bruh your so exstravar like what are you doing.
by Tufu_is_cool April 10, 2022