down the tube

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

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
References in classic literature ?
Maston knew no bounds, and he narrowly escaped a frightful fall while staring down the tube.
IAN Hyland's Down The Tube is usually an amusing read.
There seems to be a slightly higher chance of it implanting in the uterine wall if it travels down the tube at the correct time in a woman's cycle.
3) Bryan Singer, ``X2's'' director, takes a stroll down the tube used by the film's characters.
Members of four unions walked out for the second time last week, closing down the Tube system, causing travel chaos.
In sialendoscopy a thin endoscope (viewing tube) is inserted into the salivary duct and instruments are passed down the tube to remove the stone.
So Abid Fahed had his sights set on a proposed drama 'Al Malik Al Namroud', but when that project went down the tube, he quickly switched gears to get the ball rolling alongside Lebanese lovely Nadine Njeim in a Lebanese drama titled "Law" (If) with producer Sadeq Al Sabah.
In order to calm down the protesters, Wasa closed down the tube well on the pretext that dust is mixing in the water due to underground land sliding and water supply will be resumed within two days.
One hundred and eighty years of history down the tube, and I would argue 180 years of being a beacon of good practice.
To administer mineral oil or castor oil (the latter, especially, is quite thick and won't run down the tube very quickly), use a large (140 cc) syringe to force warm oil mixed with a little warm water down the tube.
Five months into the latest marketing campaign which took Teesside to raise its profile by going down the Tube, JEZ DAVISON reports on the incomers SEE PAGES 6 & 7
Tyson, rated by many as the best heavyweight boxer ever, saw his career go down the tube after being jailed for rape in 1992 and blowing his EUR300million fortune.
just shove it in the mag anytime you're not firing, cycle the action, and it's the next one down the tube.
My theory is that people are so terrified of being persecuted by local councils over putting their rubbish in the wrong bins, that it's much easier to just quietly let it go down the Tube.
the CO2 is trapped and forced by pressure down the tube