in the wink of an eye
Immediately or extremely quickly; at once. Just call us on this number if you have any problems, and we'll be back in the wink of an eye. Don't worry, boss, I'll have this report typed up in the wink of an eye! Working on Wall Street, you get used to massive financial changes happening in the wink of an eye.
in the wink of an eye (or in a wink)
very quickly.