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!
Donald Trump may have beenout of office for close to a month, but those whackadoodle MAGAts think he’ll get inaugurated on March 6. He. Lost. The. Election. Get it?