"rat running" = to take Why is taking a short cutside street called a "rat run"?
I stumbled upon this expression for the first time while doing some research for an answer, and I have to admit I love it! An explanation of rat running/ a rat run is as follows
"Rat running"running/ A rat run" is the act of taking a detour, often planned, on a smaller and often little known or less traveled street or road. If you are familiar with the layout of an area, rat running can be a good way to avoid the congested main roads. There are some things to keep in mind when determining whether or not to rat run
How well known is it? If I use the expression with my British English friends and relatives will they be familiar with the term? Is it a recent coinage? Is a rat runrat run similar to taking a shortcut?
Can anyone trace its history?