WordWeb Online

1. In utter disorder
   "a topsy-turvy pile of clothes";
   - disorderly, higgledy-piggledy, hugger-mugger, jumbled

1. In a disordered manner
   "they were piled up topsy-turvy";
   - higgledy-piggledy
    
2. In disorderly haste
   - head over heels, heels over head, topsy-turvily, in great confusion

See also: untidy

Encyclopedia: Topsy-turvy