do something by a whisker
by a whisker
By an extremely short or slim margin (of distance, time, or another measure). They're just about to close the gates! It looks like we made the flight by a whisker. The race was neck and neck till the very end, but Sally won it by a whisker.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
do something by a ˈwhisker(informal) do something, but nearly fail; do something, but only just: He missed the first prize by a whisker. ♢ You escaped serious injury by a whisker, so consider yourselves very lucky.
Farlex Partner Idioms Dictionary © Farlex 2017