tar someone with the same brush

tar someone with the same brush

If you tar someone with the same brush you wrongly believe that they have the same bad qualities as others in a group of people they are connected with. I am a football supporter and I often have to explain that I'm not one of the hooligan sort, because we all get tarred with the same brush. In the loans business, the better operators get tarred with the same brush as the less scrupulous ones. Note: You can also say that someone is tarred with the brush of something. Why should all English people be tarred with the brush of football hooliganism? Note: This expression comes from the use of tar to mark all the sheep in one flock to distinguish them from another flock.
See also: brush, same, tar