Everything about crazy
Silly foolish mad silly absurd insane lunatic idiotic irrational ridiculous looney whacky dumb zany wacky nutty fool uncomplicated loony nonsensical idiotical unreasonable kooky asinine weak daft unwise preposterous gradual cuckoo fatuous dippy jerky senseless daffy sappy out to lunch screwball harebrained dotty witless inept simpleminded brainless