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 a confused or chaotic manner
   "The children rushed topsy-turvy through the house";
   - head over heels, heels over head, topsy-turvily, in great confusion

See also: untidy

Encyclopedia: Topsy-turvy