to go down the tube
01
to experience a significant decline, failure, or deterioration in a situation, project, or endeavor
![to [go] down the [tube] definition and meaning](https://cdn.langeek.co/photo/40765/original/?type=jpeg "to [go] down the [tube] definition and meaning")
Disapproving
Idiom
أمثلة
After investing all their savings in the stock market, they watched as their portfolio went down the tube.
