One who tries too hard to fit in or belong. Derivitive of the word Geek. Usually pronounced in a high voice. The Russian word for Gacko is Gackissimo or Garkeyssi (Gar-key-see)
Paul White is a Gacko.
by Jeremy B July 12, 2004
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.×