We found 7 dictionaries that define the word do the dirty on:

General (3 matching dictionaries)

1. do the dirty on: Collins English Dictionary
2. do the dirty on: Wiktionary
3. do the dirty on: TheFreeDictionary.com

Business (1 matching dictionary)

4. do the dirty on: Legal dictionary

Computing (1 matching dictionary)

5. do the dirty on: Encyclopedia

Miscellaneous (1 matching dictionary)

6. do the dirty on: Idioms

Slang (1 matching dictionary)

7. do the dirty on (someone): English slang and colloquialisms used in the United Kingdom

Definitions from Wiktionary (do the dirty on) ▸ verb:  (idiomatic, transitive, UK, Australia, informal) To treat (someone) in an unfair manner; to cheat or betray. Similar: screw over, jerk around, ride dirty, screw, play up, dish the dirt, take to the cleaners, let in, dob in, put it to, more... ▸ Words similar to do the dirty on ▸ Usage examples for do the dirty on ▸ Idioms related to do the dirty on ▸ Wikipedia articles (New!) ▸ Words that often appear near do the dirty on ▸ Rhymes of do the dirty on ▸ Invented words related to do the dirty on