riffraff

Then, the specific one that a scientist wants to study is separated from the riffraff by magnets that redirect particles based on their mass and electric charge.

You’re going to keep out a lot of the riffraff by making it harder to break iPhones.

We are trying to digest the riffraff of the world, and can't do it, in spite of such incorrigible optimists as Judge Leslie.

Here all the riffraff that had been unable to establish itself in better quarters had found some sort of a haven.

For goodness sake, dont get any more riffraff into our class!

Ample proof, however, exists that they were but the riffraff of the Order.

From my window where I am writing I can see how insolent the attitude of this Mohammedan riffraff is becoming.