This is a slang expression. In English, riff raff refers to people or a group of people regarded as disreputable, deplorable or worthless. It also refers to a low-class environment that is ruined because of such people. For example, a main street in downtown which is full of scam artists, thieves, scammers, beggars, street peddlers, prostitutes and very rude people. Collectively they are referred to as riff raff, and the term is slightly derogatory. Here is an example in a sentence.
1. I refuse to buy an apartment on Khreshchatyk Street because of all the riff raff over there.
Есть ли русское выражение?
1. I refuse to buy an apartment on Khreshchatyk Street because of all the riff raff over there.
Есть ли русское выражение?