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go down the tubes

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go down the tubes

(spoken) also go down the tube

to fail or become much worse His business is going down the tubes and he's about to lose his house. Prices are going up and the service is terrible - everything's going down the tubes.

See also: down, tube

go down the tube(s)

and go down the chute

in. to fail totally; to be ruined. I tried, but it all went down the tube. All my plans just went down the chute.

See also: down, tube