up·side down 
/ˈʌpˌsaɪdˈdaʊn/ adverb
/ˈʌpˌsaɪdˈdaʊn/ adverb : with the top at the bottom and the bottom at the top : placed so that the end that should be at the top is at the bottom
▪ You hung the picture upside down! ▪ To remove the plant, turn the pot upside down and tap gently on the bottom to loosen it. ▪ The baby was holding the book upside down.
▪ You hung the picture upside down! ▪ To remove the plant, turn the pot upside down and tap gently on the bottom to loosen it. ▪ The baby was holding the book upside down.
turn (something) upside down
informal : to make (something) very untidy
▪ I turned the room upside down looking for my car keys. ▪ The house was turned upside down while the renovations were under way. — often used figuratively ▪ His whole world was turned upside down when his mother died.
▪ I turned the room upside down looking for my car keys. ▪ The house was turned upside down while the renovations were under way. — often used figuratively ▪ His whole world was turned upside down when his mother died.
— upside–down adjective
▪ The sculpture looked like an upside-down pyramid. ▪ That flag is upside-down.
▪ The sculpture looked like an upside-down pyramid. ▪ That flag is upside-down.
