down the tube(s)

down the tube(s)

Awry; in a state of deterioration or failure. You got a C average? Boy, your grades have really gone down the tubes this semester. We had big plans for our trip, but the terrible weather made it all go down the tube.
See also: down
Farlex Dictionary of Idioms.

down the tubes

Also, down the tube. Into a state of failure or ruin, as in If he failed the test, his chances went down the tubes. ] Colloquial; 1960s] Also see down the drain.
See also: down, tube
The American Heritage® Dictionary of Idioms by Christine Ammer.

down the tube (or tubes)

lost or wasted. informal
2001 High Country News I've already lost my alfalfa crop; that's about $20,000 down the tubes.
See also: down, tube
Farlex Partner Idioms Dictionary
See also:
  • down the tube
  • down the tubes
  • chute
  • down the chute
  • go to the dogs
  • gone to pot
  • go to pot
  • flooey
  • get off on the wrong foot
  • bad break