Meaning of the word "on the double" in English

What does "on the double" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

on the double

US /ɒn ðə ˈdʌbl/
UK /ɒn ðə ˈdʌbl/

Idiom

immediately; very quickly

Example:
Get over here on the double!
The boss wants these reports on the double.