on the double

on the double

Rapidly; faster than one normally goes. Primarily heard in UK, Australia. Can you please drive on the double? Yes, we'll be there on the double!
See also: double, on
Farlex Dictionary of Idioms.

on the double

very fast; twice as fast as normal. (Originally military. Alludes to "double time" in marching.) Get over here right now—on the double! She wants to see you in her office on the double.
See also: double, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

on the double

Very quickly, as in You'd better get here on the double. This expression, also put as at the double, came from the military, where it means "double time"-that is, marching twice as fast as normally. [Early 1800s]
See also: double, on
The American Heritage® Dictionary of Idioms by Christine Ammer.

on the double

mod. very fast; twice as fast. (Originally military. Refers to double time in marching.) Get over here right now—on the double! She wants to see you in her office on the double.
See also: double, on
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • at the double
  • double quick
  • double
  • a double taker
  • taker
  • do a double take
  • double take, do a
  • double sawbuck
  • dub
  • double up with (someone)