at sixes and sevens vs upside down

at sixes and sevens

• In a state of dispute or disagreement. 

• In a state of confusion. 

upside down

• In great disorder. 

• Inverted, so that the top is now at the bottom. 

• Inverted; turned so that the top is at the bottom. 

• In great disorder. 

• Owing more money for something than it is worth; having negative equity.