haywire haywire /ˈheɪˌwaɪr/

adjective

1. Not functioning properly  ( awry , haywire , amiss , wrong )
   not functioning properly
    Something is amiss
   something is amiss
    Has gone completely haywire
   has gone completely haywire
    Something is wrong with the engine
   something is wrong with the engine
   
2. Informal or slang terms for mentally irregular  ( around the bend , balmy , barmy , bats , batty , bonkers , buggy , cracked , crackers , daft , dotty , fruity , haywire , kookie , kooky , loco , loony , loopy , nuts , nutty , round the bend , wacky , whacky )
   informal or slang terms for mentally irregular
    It used to drive my husband balmy
   it used to drive my husband balmy
   

noun

1. Wire for tying up bales of hay  ( haywire )
   wire for tying up bales of hay