on the double

Idioms  

1. 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]

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Example Sentences

Remodelling her serve with the guidance of biomechanics expert Gavin MacMillan proved vital in cutting down on the double faults that had plagued her.

From BBC

Anderson went eight darts into the nine-darter in the final set, before going high on the double 12, and eventually claimed the set 5-3 to continue his quest to be the tournament's oldest winner at 55.

From BBC

It features relief pitcher Roki Sasaki and Smith embracing after the Dodgers clinched the National League pennant, with the slogan “On the Double.”

From Los Angeles Times

“Gallop to the bakehouse, on the double!”

From Literature

The Blues became the first team in English top-flight history to win four titles in a row in 2024, but they missed out on the Double when Manchester United pulled off a surprising win against their rivals in the FA Cup final.

From BBC