| Rogue |
| Crumb |
| Rotter |
| Meanie |
| Stinker |
| Bounder. |
| Scalawag |
| Scoundrel |
| Crumb bum |
| No-gooder |
| Nogoodnik |
| No-goodnik |
| Malefactor |
| Troublemaker |
| Rotten apple |
| Ne'er-do-well |
| Unsavory sort |
| Dishonest sort |
| Good-for-nothing |
| Career con, e.g. |
| Slangy reprobate |
| Disreputable sort |
| One up to no good |
| Rotten scoundrel! |
| Not a good person! |
| Disreputable person |
| Pusilanimous person |
| Wolf in the henhouse? |
| Disreputable character |
| Rotter — something rotten! |
| Type who's always causing trouble |
| Untrustworthy (a potential stinker?) |