We found 6 dictionaries that define the word louser:

General (4 matching dictionaries)

1. louser: Oxford Learner's Dictionaries
2. louser: Collins English Dictionary
3. Louser: Rhymezone
4. louser: TheFreeDictionary.com

Slang (2 matching dictionaries)

5. louser: Green’s Dictionary of Slang
6. louser: Urban Dictionary

Definitions from WordNet (Louser) ▸ name:  A surname (very rare: popularity rank in the U.S.: #70617) ▸ Words similar to louser ▸ Usage examples for louser ▸ Idioms related to louser ▸ Wikipedia articles (New!) ▸ Words that often appear near louser ▸ Rhymes of louser ▸ Invented words related to louser