It use to denote a person who is crazy or act of stupidity.
A wacko is an eccentric or irrational person.
cocain can cause you to do stupid things that can make you act crazy and it can damage your brain and give you amnesia
yellow,yellow,green,turquoise,turquoise,green,yellow,orange,red,red,orange,yellow,yellow,orange,orange. Hope I Helped!!!!! -sincerely the wackadoodle Dezi