We found 14 dictionaries that define the word two up:

General (11 matching dictionaries)

1. two-up: Merriam-Webster
2. two-up: Oxford Learner's Dictionaries
3. two-up, two-up: Collins English Dictionary
4. two-up: Wordnik
5. two-up: Cambridge Advanced Learner's Dictionary
6. two-up: Wiktionary
7. two-up: Infoplease Dictionary
8. two-up, two up: Dictionary.com
9. Two-up, Two up: Wikipedia, the Free Encyclopedia
10. two-up: Stammtisch Beau Fleuve Acronyms
11. two-up: TheFreeDictionary.com

Slang (1 matching dictionary)

12. Two-Up, two up: Urban Dictionary

Tech (2 matching dictionaries)

13. Book Binding (No longer online)
14. AUTOMOTIVE TERMS (No longer online)

Definitions from Wiktionary (two up) ▸ verb:  (slang, intransitive) To share a cell with someone in prison, especially in a one-person cell. Phrases: two up two down, two thumbs up, two things that make up one another, more... ▸ Words similar to two up ▸ Usage examples for two up ▸ Idioms related to two up ▸ Wikipedia articles (New!) ▸ Words that often appear near two up ▸ Rhymes of two up ▸ Invented words related to two up