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Mechal Effect 

A sudden shot of adrenaline while being near Mechal or her 1st born son.
Kid 1: Can you feel it?
Kid 2: Yeah I think so.
*Mechal and 1st born son walk in*
Kid 1 & 2: *get shocked and have goosebumps*
Kid 1 & 2: Its the Mechal Effect!
Mechal Effect by Hilo37392 August 2, 2020

backyard mechanic 

Someone who works on & fixes cars on their own property.
John was quite the backyard mechanic & spent decades fixing cars, his GTO especially.
backyard mechanic by Starchylde June 15, 2016

Fluid Mechanics

The one area of physics where its researchers are actually mostly mathematicians.
Ed: Ey Bob I am studying fluid mechanics
Bob: You mean the area of physics you see mathematicians and engineers study instead of physicists?
Fluid Mechanics by EpicScientician September 17, 2021

Mechatronics 

A mistake.
A program that lures innocent high school kids who want to make cool robots. Half the class end up becoming web developers.
"So... you transferred from ECE to Mechatronics?"
"It was a mistake."
Mechatronics by 6011304 March 31, 2019

Mechanicking

(Noun) A sexual act that involves, from beginning to end, the recipient on all fours and then placing their palms flat against the wall facing them or grabbing hold of a bed's headboard while the giving party slides partially underneath them and places recipient's cock in their mouth and begins the much needed stimuli. Then the giver also begins anal simulation with fingers on hand. Throughout the act the giver may slide back or forward alternating the stimulation they are giving using their mouth and tongue on the cock, testicles, and asshole at their own discretion but not leaving any of the parts unstimulated. The action is usually concluded by the woman penetrating asshole with her finger (as if she hasn't already) at the apex of stimulation resulting in the recipient coming hard while inside the giver's mouth whete it is traditionally consumed posthaste.
Nikki appealed to Betsy, "Lover I am in need of a serious tune up, maybe even sn oil change. Do you think maybe tonight you could do some mechanicking on me to try and fix the problem?" Clearly aggravated, Betsy looked down at her phone and saw that one of her dope connections relayed to her not too long ago that if she wanted any of the candy he had for her it was going to cost her the regular going rate of both anal sex and A blow job, in that order, when she snapped, "I don't know, Goddammit, I swear all you ever think about is sex. Everything is not about you and your stupid cock".
Mechanicking by Nikki Stixx September 14, 2020

mechanic's special 

A vehicle listed as a "mechanic's special" on craigslist appears to be, at first glance, a remarkable deal. A mechanic's special is usually a vehicle listed far below its blue book value, with a few minor issues outlined that any competent backyard mechanic can easily diagnose and fix. This problems are usually referred to only in the vaguest of terms, such as a "clunking sound coming from the transmission" or "hissing sound from the radiator."

Of course, these problems turn out to be much more severe - such as a blown headgasket, thrashed transmission, detonated cylinder, and the like. The odometer reading is often conspicuously absent from the reading. The owner will often feign ignorance about vehicles in hopes of getting rid of it at a good price, but actually are often competent car people themselves.

The only valid use for a mechanic's special is as a parts vehicle, and only then once the owner has been talked down to a reasonable price.
1992 Chevrolet 1500 4x4 $900 OBO - Mechanic's Special!

'92 Chevy half ton, 4x4, 4" suspension lift. Great truck, 4x4 stopped working about a week ago, slight ticking sound coming from the engine. Should be an easy fix. Call @ 555 - 5555
mechanic's special by freyyr March 26, 2011
More from Urban Dictionary
anyone who succeeds in disgracing/over indulging themselves in the throws of clubland
28 hours and 4 clubs later, gurning for england but still refusing to go home - a total wrongun!!
wrongun by bevvers March 21, 2007
Word of the Day on October 8, 2026

square grouper

Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."
square grouper by slipsheet November 6, 2004
Word of the Day on October 7, 2026
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026
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