Go down the tubes and Spiral

Spiral and go down the tubes are semantically related In some cases you can replace term "Spiral" with "Go down the tubes", this terms are similar.

Spiral verb - To follow a circular or spiral course.

Go down the tubes and spiral are semantically related in go downhill topic. You can use "Go down the tubes" instead a verb "Spiral". informal substitute

Nearby Words: spiralling, spiralled, spire, spirally