Search Result for "upsidown": 

The Collaborative International Dictionary of English v.0.48:

Upside down \Up"side down`\, adv. in such a manner that the part normally pointed upward is pointed downward; same as upsidown and upsodown. [PJC]
The Collaborative International Dictionary of English v.0.48:

Upsidown \Up"si*down`\, adv. See Upsodown. [Obs. or Colloq.] --Spenser. [1913 Webster]