Answer: wacky

AnswerCrossword Clue
WACKYMadcap
wackyodd or irrational
wackyirrational
WACKYOffbeat
WACKYDaffy
WACKYLike the Three Stooges
WACKYAbsurdly eccentric
WACKYOff one's rocker
WACKYNutty
WACKYCockamamy
WACKYOdd
WACKYOff-the-wall
WACKYScrewball
WACKYNonsensical
WACKYAmusingly eccentric
WACKYNuts
WACKYNutso