adv. phr. Overturned so that the bottom is up and the top is down. The ladybug lay upside down in the sand and was unable to take off. The problem with this company is that everything is upside down; we need a new C.E.O.
UPSIDE DOWN
Meaning of UPSIDE DOWN in English
American idioms English vocabulary. Английский словарь американских идиом. 2012