wrench
n.— «Adams already had experience fixing bicycles because he did it so much on his own. Soon after completing the bicycle school, DNS closed the lab where Adams was stationed. He decided to became a bike mechanic or—as they call them in the bicycle industry—a “wrench” at a bike shop in Berkeley, Calif.» —“Entrepreneur loves being a ’wrench'” by Caleb Sheaffer Citizens Voice (Wilkes-Barre, Pennsylvania) Mar. 9, 2008. (source: Double-Tongued Dictionary)
Further reading
Ever thought there ought to be an English word for this or that phenomenon? Such holes in the language are called lexical gaps. A listener in Ontario, Canada, notes that English lacks a single word for the mistake voice-to-text programs make when...
Elizabeth from New Orleans, Louisiana, is pondering the way catchphrases such as Matthew McConaughey’s Alright, alright, alright catch on and get passed around. These vocal memes or prosodic memes get repeated and passed around in a way that...