belt-tightening vs tight as a duck's arse

belt-tightening

adj

  • Causing or involving a reduction in expenditure. 

noun

  • A reduction in expenditure, often as a result of financial restrictions. 

tight as a duck's arse

adj

  • Extremely tight; mean; excessively thrifty. 

How often have the words belt-tightening and tight as a duck's arse occurred in a corpus of books? (source: Google Ngram Viewer )