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Acronym for the Smartest Guy in the Room, short for Smartest Guy in the Room Syndrome. The Smartest Guy in the Room has an above-average IQ and knows it; he or she grew up being the smart kid. A SGitR is smart enough to know that s/he's smarter than most people, but not quite smart enough to recognize when s/he encounters other people who are smarter. S/he defaults to the belief that because s/he is smarter than the majority of the population, s/he must be smarter than the people s/he's talking to. When a SGitR is in a room full of smart people, s/he'll continue talking down to and/or correcting them, happily oblivious to the fact that s/he's now in an environment in which s/he is not, in fact, the smartest guy in the room. See also mansplaining, Dunning-Kruger Effect.
"Ugh, at the party I got cornered by this guy who would not stop correcting everything I said about axon growth and myelinization for long enough for me to explain that I wrote the paper he was misquoting."

"I know that guy... Andy. He does that all the time, he's a total SGitR."
SGitR by Weaselpanties August 19, 2014
Related Words

sgitheanach 

A Cybertim from the Hebrides
See that handsome Cybertim, he's a sgitheanach
sgitheanach by B.T. McCall October 17, 2007
Sweetest Girl In The Whole Wide World
Yo that girl is the sgitwww!
sgitwww by Bonana19 October 3, 2019
Cigarette: Northern slang for a cigarette, used oft by mashed up mancunian ravers becasue of the resemblance of a hot(electric)stove to the end of a lit cigarette. Originated circa 1991 in the early halcyon days of the rave culture; we speculate during a drug fuelled hallucination by said manc.
'fuck me noel, i am bolloxed, is that a ciggy in your mouth, or the stove from me 'nans kitchen'/
General use: 'Give us a stove you cunt'
stove by anthony willison March 18, 2004
Word of the Day on August 4, 2026

Walky-Talky 

A derogatory term for able bodied people or people that can walk. This definition was coined by disabled influencer Valerie Weber
Person in wheelchair: “look at that walky-talky over there.”

Friend in wheelchair: *looking at person who is walking* “yeah haha
Walky-Talky by odd muffin October 5, 2021
Word of the Day on August 3, 2026

Scrapnel 

(N) :
All pieces left over after an art project or home improvement.
"After we made the decorations for the party, there was 'scrapnel' all over the floor"
Scrapnel by IceSniper February 22, 2025
Word of the Day on August 2, 2026