1) sby who spends as little money as possible, a miser 2) sby who’s repressed and very strict about following society’s rules
■ For example:
- Our boss is a real tight-ass; we never get a Christmas bonus.
- Don’t be such a tight-ass, Rob. Let yourself have some fun for a change.
Note: An alternative spelling is “tight-arse”.
Variety: This slang term is typically used in American English but may be used in other varieties of English too.