the.com/snake pit

A pile of chaos wearing the label 'workplace' or 'family gathering'.

means A situation or environment filled with vicious, backstabbing people and treacherous conflict.

from Literally, a pit filled with snakes — a real (if exaggerated) image used historically as a nightmare punishment or test. The phrase slithered into figurative use in the 20th century, especially boosted by a 1946 novel and film called 'The Snake Pit,' set in a chaotic psychiatric ward, which cemented the term's sense of a den of danger and madness beyond the literal reptiles.

origin
old asylums literally used pits of live snakes as treatment
modern use
now means any den of backstabbing and rivalry
movie boost
1948 film about asylum cruelty popularized the phrase
irony
real snake pits are calmer than most office meetings
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