Someone who imay be considered a social outcast and who hides their depression.
"That weird girl over their is such a blue freak!"
by katie b September 23, 2004
Someone who is completely infatuated with the color blue.
"That guy is such a blue freak!"
by herb III September 23, 2004
one of those blue man group guys
OMFG! Look at that blue freak
by TelcoBob February 27, 2005