buffoonish Synonyms

clownlike clownish zany as crazy as a loon mad as a hatter humourous gaga daffy goofy moronic nuts kooky not playing with a full deck out of one's head out to lunch totally insane plumb loco mad as a bag of hammers very foolish as crazy as a bedbug as dumb as a doorknob as dumb as a box of rocks as dumb as a bag of hammers touched in the head screwy around the bend nutty fool fatuous eccentric dumb daft crazy brainless batty apish absurd foolish humorous wacky stupid silly sappy ridiculous mad loony insane imbecile idiotic aberrant