VOCABULARY - "Upside down"

"Upside down":

Adjective:
1. (usually postpositive; upside-down when prenominal) turned over completely; inverted
2. Informal confused; muddled; topsy-turvy an upside-down world

Adverb:
1. in an inverted fashion
2. in a chaotic or crazy manner
[variant, by folk etymology, of earlier upsodown]

Noun:
upside-downness

Idiom:
"(Typically: be ~; get ~.) upside-down"
Fig. in a financial state such that one owes more money on a car, truck, house, etc., than its resale value.
Ex:
"When I tried to trade in the car, I found that I was upside-down and couldn't close the deal without more money." - "I took a loan period that was too long and was upside-down in two years."