at the double

Rapidly. Primarily heard in UK, Australia. Can you please drive at the double? Yes, we'll be there at the double!

(British & Australian) also on the double (American & Australian)

if you go somewhere or do something at the double, you go there or do it very quickly Two surgeons arrived in the emergency room at the double.

Name	Pronounced	Usage
Andromache	[æn'dra:məki]
Garth	[ga:θ]
Williams	['wijəmz]
Milda	-	Lithuanian, Baltic Mythology
Baldwin	['bɔ:ldwin]
Gwyn	-	Welsh