tube it

tube it

1. slang To travel (to some place) on the London Underground or some similar public rapid transit system. Primarily heard in UK. I'm living right next to Bayswater station, so thankfully I can just tube it to work each morning. A: "Do you want to split a taxi?" B: "Nah, let's just tube it."
2. slang To fail some test or examination. Primarily heard in US. A: "How'd the test go?" B: "Not good. I'm pretty sure I tubed it."
See also: tube
Farlex Dictionary of Idioms.

tube it

tv. to fail a test. (see also tube.) I was afraid I’d tube it, so I studied my head off.
See also: tube
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • chip
  • chips
  • up on (one's) ear
  • Two Bob
  • (as) dead as mutton
  • dead as mutton
  • mutton
  • one of the boys
  • one of the lads
  • be one of the boys
References in periodicals archive
It'll handle Foster slugs, but if you add a Turkey Full Rem Choke tube it's also a great turkey gun (re-sighting is required).
We all say things we don't mean but like trying to squeeze the toothpaste back into the tube it's messy and pretty much impossible to get things back to where they were.
NEW TUBE It's hoped 7,000 jobs would be created by line's construction FUTURISTIC Artist's impression of Docklands underground station
If I'm wearing my shades on the Tube it's because they're prescription!
At pounds 125 for a 100ml tube it's not a cheap option, but it sure as heck beats going under the knife.
1 YOU TUBE IT'S the perfect opportunity for ordinary members of the public to finally find their few minutes of fame.
The results last all day, too and while the perfume smells strongly in the tube it's light and refreshing on the skin.