(adj.) Anything beyond whacky. Usually a one word exclamation of shock in response to the observed whackiness.
(n.) A person displaying whacky behavior.
A paranoid conspiracy nut, usually on the right wing of the political spectrum.
Those whackadoodles at the tea party rally were convinced that extending unemployment benefits was a plot perpetrated by the socialist puppetmasters of the U.N.
A person who is acting insane, bizarre or highly unusual or the result of when a person with mental illness decides they are 'better' and goes off their meds.
My mom was acting like a complete whackadoodle yesterday. What a surprise, she went off her meds AGAIN!
Chappadodle is simply a legend born with in the game of fortnite. Unfortunately he is passed now. His nature of death is what makes him such a legend, he died on a rescue mission; similar to saving private Ryan, by the famous YouTuber Muselk. After this unfortunate death Epic Games added a grave to keep his name alive and so that people remember his brave soul. Forever chappadoodle lives on, in our hearts.