The Collaborative International Dictionary of English v.0.48:
Higgledy-piggledy \Hig`gle*dy-pig"gle*dy\, adv. In confusion; topsy-turvy. [Colloq.] --Johnson. [1913 Webster]WordNet (r) 3.0 (2006):
higgledy-piggledy adv 1: in a disordered manner; "they were piled up higgledy- piggledy" [syn: higgledy-piggledy, topsy-turvy] adj 1: in utter disorder; "a disorderly pile of clothes" [syn: disorderly, higgledy-piggledy, hugger-mugger, jumbled, topsy-turvy]