We found 5 dictionaries that define the word until the cows come home:

General (3 matching dictionaries)

1. until the cows come home: Merriam-Webster
2. until the cows come home: Wiktionary
3. until the cows come home: Dictionary.com

Miscellaneous (1 matching dictionary)

4. until the cows come home: Idioms

Slang (1 matching dictionary)

5. until the cows come home: Urban Dictionary

Phrases: till until the cows come home, more... ▸ Words similar to until the cows come home ▸ Usage examples for until the cows come home ▸ Idioms related to until the cows come home ▸ Wikipedia articles (New!) ▸ Words that often appear near until the cows come home ▸ Rhymes of until the cows come home ▸ Invented words related to until the cows come home