We found 4 dictionaries that define the word chance one's arm:

General (3 matching dictionaries)

1. chance one's arm: Merriam-Webster
2. chance one's arm, chance one's arm: Collins English Dictionary
3. chance one's arm: Wiktionary

Slang (1 matching dictionary)

4. Chance one's arm: Dublin Slang and Phrasebook

Definitions from Wiktionary (chance one's arm) ▸ verb:  (informal) To take a risk. ▸ Words similar to chance one's arm ▸ Usage examples for chance one's arm ▸ Idioms related to chance one's arm ▸ Wikipedia articles (New!) ▸ Words that often appear near chance one's arm ▸ Rhymes of chance one's arm ▸ Invented words related to chance one's arm