go down the tubes

: to move on a course : proceed — compare stop

: to move out of or away from a place expressed or implied : leave, depart

: to take a certain course or follow a certain procedure

: the act or manner of going

: the height of fashion : rage

: an often unexpected turn of affairs : occurrence

: functioning properly : being in good and ready condition

: a game played between two players who alternately place black and white stones on a board checkered by 19 vertical lines and 19 horizontal lines in an attempt to enclose the larger area on the board

: toward or in a lower physical position

: to a lying or sitting position

: toward or to the ground, floor, or bottom

: down (see ¹down) along, around, through, toward, in, into, or on

: to cause to go or come down (see ¹down) : such as

: to cause to fall by or as if by shooting : bring down

: consume

: occupying a low position

: directed or going downward

: lower in price

: descent, depression

: an instance of putting down someone (such as an opponent in wrestling)

: a complete play to advance the ball

: an undulating usually treeless upland with sparse soil

: a sheep of any breed originating in the downs of southern England

: a covering of soft fluffy feathers

: something soft and fluffy like down

: down syndrome

: any of various usually cylindrical structures or devices: such as

: a hollow elongated cylinder

: a soft tubular container whose contents (such as toothpaste) can be removed by squeezing