
A mare’s nest
Confusion Overload
Use 'a mare’s nest' for situations that are extremely confused or disorganized. 
Not for Formal Use
'A mare’s nest' is not commonly used in formal contexts. Use it in informal discussions or creative writing. 
Archaic Awareness
Be aware that 'a mare’s nest' is an old-fashioned term, familiar to older English speakers or readers of historical texts. 