| The police are trying their best, but all they can do is make nightly raids on the underworld and round up Dusseldorf's riff-raff. |
| Let us not mind the drug dealers, the pimps, and the other riff-raff who hang around that sordid industry. |
| There are hit men, murderers, philanderers, thieves, betrayers, and other assorted riff-raff. |
| But people who were pointing this out were Leftists, Crypto-Communists and other riff-raff. |
| They were supposed to keep the nearby city's riff-raff out and the good, wholesome and hardworking college students like myself in. |
| Daemon seated himself as inconspicuously as possible while his shipmates mingled raucously with the riff-raff that populated the bar. |
