turn upside down
US /tɜːrn ˌʌpsaɪd ˈdaʊn/
UK /tɜːrn ˌʌpsaɪd ˈdaʊn/

1.
volcar, poner boca abajo
to invert or flip something so that the top is at the bottom
:
•
He accidentally turned the box upside down, spilling all its contents.
Accidentalmente volcó la caja, derramando todo su contenido.
•
The strong winds turned the umbrella upside down.
Los fuertes vientos volcaron el paraguas.
2.
poner patas arriba, revolver
to cause great disorder or confusion; to disrupt completely
:
•
The new policy turned the entire department upside down.
La nueva política puso todo el departamento patas arriba.
•
The unexpected news turned her world upside down.
La noticia inesperada puso su mundo patas arriba.