Turn topsy-turvy (5)
I believe the answer is:
upend
(Other definitions for upend that I've seen before include "Turn upside down" , "Tip right over" , "Set upside down" , "Trip" , "Knock over" .)
I believe the answer is:
upend
(Other definitions for upend that I've seen before include "Turn upside down" , "Tip right over" , "Set upside down" , "Trip" , "Knock over" .)