
Be/go up the spout
Colloquial Usage
Used in casual conversation, not in formal or written English.

I'm afraid our little plan has gone up the spout, hasn't it?
Negative Outcome
Implies a disappointment or an unexpected negative turn of events.

The whole project went up the spout when the funding was cut.
Sudden Failure
Often used when something fails suddenly or unexpectedly.

The deal went up the spout after the CEO quit.
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