Definition of twiddler in English:

twiddler

Pronunciation /ˈtwidlər/ /ˈtwidl-ər/

noun

See twiddle

‘The production is functional but uninspiring, the knob - twiddlers unwilling to sail into any waters that might look dangerous or - perish the thought - exciting.’
  • ‘Every single news organisation is critical of him and his band of thumb twiddlers.’
  • ‘The result is a very creative album that effectively blends the sounds of two obviously talented knob twiddlers - experts, even.’