Definition from Wiktionary, the free dictionary
- (generally Scotland) violence
- "How much money did you get back?" "Not a centime, especially now that he's met with bangstry." (Television show CSI, Season 13, Episode 16, 2013)
1912, John Stephen Farmer, William Ernest Henley, A Dictionary of Slang and Colloquial English (Dictionary) (link), page 28:
- Bangster. 1. A bully, braggart. As adj. turbulent. Bangstry, violence.
2. A victor, winner: compare bang, verb.
3. A wanton.