in a jiffy

in a jiff(y)

Immediately, very quickly, or at once. Just call us on this number if you have any problems, and we'll be back in a jiffy. Don't worry, boss, I'll have this report typed up in a jiffy!

in a jiffy

Fig. very fast; very soon. Just wait a minute. I'll be there in a jiffy. I'll be finished in a jiffy.See also: jiffy

in a jiff(y)

mod. right away; immediately. (see also jiffy.) The clerk’ll be with you in a jiff. See also: jiffy