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tweaker

British  
/ ˈtwiːkə /

noun

  1. slang an engineer's small screwdriver, used for fine adjustments

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Left-arm spinners Matt Kuhnemann and Cooper Connolly were additions to a largely settled 15-man squad, alongside chief tweaker Adam Zampa and part-timer Glenn Maxwell.

From Barron's Jan. 1, 2026

Spin accounted for six of Australia's top seven - spearheaded by left-arm tweaker Ravindra Jadeja's 3-28 - paving the way for their quicks to later deliver the coup de grace.

From BBC Oct. 8, 2023

By bringing “style” into it, Brooks nods to Flaubert’s reputation as a compulsive tweaker, someone who could spend all day reworking a paragraph.

From Washington Post May 3, 2017

That’s partly because of the seemingly ubiquitous influence of the Atlanta rapper Gucci Mane, the most effective tweaker of hip-hop orthodoxies in the 2000s.

From New York Times Jul. 27, 2016

Rowan did as he was told and Scythe Rand passed the tweaker all over his body like some sort of magic wand.

From "Scythe" by Neal Shusterman

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