We found 9 dictionaries that define the word scum bag:

General (7 matching dictionaries)

1. scum bag: Vocabulary.com
2. scum-bag: Wordnik
3. scum bag: Dictionary.com
4. scum bag: Rhymezone
5. scum bag: FreeDictionary.org
6. scum bag: Mnemonic Dictionary
7. scum bag: TheFreeDictionary.com

Computing (1 matching dictionary)

8. scum bag: Encyclopedia

Slang (1 matching dictionary)

9. American-Australian Slang Dictionary (No longer online)

(Note: See scum_bags as well.)

Definitions from WordNet (scum bag) ▸ noun:  a person who is deemed to be despicable or contemptible Opposite: decent person, honorable person, good person, upstanding citizen Types: jerk, douchebag, douche nozzle, scumbag, more... ▸ Words similar to scum bag ▸ Usage examples for scum bag ▸ Idioms related to scum bag ▸ Wikipedia articles (New!) ▸ Words that often appear near scum bag ▸ Rhymes of scum bag ▸ Invented words related to scum bag