bonkers

bonkers
    adj 1: informal or slang terms for mentally irregular; "it used
           to drive my husband balmy" [syn: {balmy}, {barmy},
           {bats}, {batty}, {bonkers}, {buggy}, {cracked},
           {crackers}, {daft}, {dotty}, {fruity}, {haywire},
           {kooky}, {kookie}, {loco}, {loony}, {loopy}, {nuts},
           {nutty}, {round the bend}, {around the bend}, {wacky},
           {whacky}]
    

41 Moby Thesaurus words for "bonkers":
      balmy, bananas, barmy, bats, batty, beany, bedlamite, brainsick,
      buggy, bughouse, bugs, crackbrained, crackers, cuckoo, daffy,
      dippy, dotty, flaky, flipped, freaked-out, fruitcakey, fruity,
      gaga, goofy, haywire, just plain nuts, kooky, loony, loopy, nuts,
      nutty, off the hinges, off the track, off the wall, potty,
      round the bend, screwball, screwballs, screwy, slaphappy, wacky