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Related to knob: Knob and tube wiring

ginger knob

vulgar derogatory A person, typically a man, with naturally red hair. Primarily heard in UK, Ireland.
See also: ginger, knob

necker's knob

dated A rounded knob mounted to the steering wheel of an automobile so that it may be steered with one hand. So called because the driver (typically male) is able to place his arm around his girlfriend or wife. My grandfather gave me his old Cadillac, which still had the necker's knob on the wheel from when he first started courting my grandmother.
See also: knob

with (brass) knobs on

In a much more extreme form. I've been to both, and I can tell you that Carnival is like Mardi Gras with knobs on. Your report is like my report with brass knobs on—it's 30 pages longer!
See also: knob, on

with knobs (or brass knobs) on

and something more. British informal
1998 Pi Magazine But all this would count for zilch if the music didn't stand the test of time. But it does, with knobs on.
See also: knob, on

with ˈknobs on

(British English, slang) used to say that something is a more complicated version of what you mention: It isn’t art — it’s just a horror movie with knobs on!
See also: knob, on

get one’s knob polished

tv. to copulate or otherwise have sex. (Refers to a male. Usually objectionable.) Man, if you want to get your knob polished, just let me know. I got girls! I got girls you wouldn’t believe!
See also: get, knob, polished

necking knob

A swivel on a car's steering wheel. The necking knob enables the driver to steer with his left hand while encircling his girlfriend's shoulder with his right arm. Even when the driver was alone, the knob was an easy way to turn the car in the days before power steering.
See also: knob
References in periodicals archive ?
Three retention knobs of the same manufacturer's brand were checked in a row, and all the toolholders were checked in the same order with each retention knob.
He said: "It's hard to believe that we began producing leather covered gear knobs less than a decade ago and we now supply nearly three per cent of the global market.
com)-- With their new Diamond Cut design Elesa are pleased to take their ubiquitous MBT series knurled knobs into a new area of tactile control enabling fine operation of machines, instruments and similar, in sizes from large - 70mm dia.
During the early years of the Knob Creek subgun matches, the entrants who used an M16/9mm or an Uzi occasionally won but those who entered with an HK MP5 tended to dominate the winner's circle.
As the design of the GX3 began taking shape, attention shifted to the shifter knob.
A maker of gear knobs is revving up for future success after being recognised by Japanese motoring giant Toyota with its top-supplier award.
The Thumb Nut series of thumbscrews with internal female thread can be used as a stand-alone thumbscrew or in conjunction with the company's Instant Thumbscrew Knob to create a thumbscrew with a check nut, thereby facilitating locking down an adjustment.
It places a laptop-style touchpad on the top surface of a tactile feedback control knob similar to the one used for BMW's iDrive system.
You're atop a small knob that sits in front of the winery and its tasting room.
Typically, human kidneys begin to form when a knob of epithelial cells makes contact with a nearby patch of mesodermal cells and causes them to become epithelial cells.
This positions the original windage adjustment knob on top of your customer's scope for use as the elevation knob.
As a topographic feature here on Alaska's Prince of Wales Island, the knob was hardly postcard material: a dense stand of old-growth timber giving way to bare but unimposing cliffs below, with lush regeneration from a previous cut fanning downward from there - more a curiosity than a landmark.