in the tube

in the tube

In surfing, riding inside the barrel of a wave. He's in the tube right now—that's why you can't see him from here.
See also: tube
Farlex Dictionary of Idioms.

in the tube

1. mod. in the “tube” or arch of a large wave. (Surfing.) On a day like today, I want to be out there in the tube.
2. mod. at risk. He’s in the tube now, but things should straighten out soon.
See also: tube
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • crack a tube
  • cop a tube
  • tube
  • bake the tube steak
  • flushed down the tubes
  • down the
  • tooter
  • tube steak of love
References in classic literature
"Gone crazy," began the Captain's voice suddenly in the tube. "Rushed at me.
Black spots: These are cosmetic blemishes in the tube. The image on the left shows an internal tube blemish near 3 o'clock.