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The name of a mythical super-collector, who always gets to flea markets/thrift stores/yard sales/boot sales/etc. and purchases all of the worthwhile merchandise you are personally seeking out. Also spelled as "Sum Guy."

Started in rec.games.video.classic, as the name of an individual always invoked by sellers who would tell inquiring collectors "yeah, we had a lot of <insert collectible here> until some guy came in and bought them all." That line, or variations, was so common, that it was determined that there was a single person wreaking all of this havok, and the sellers were actually stating his name- Sumguy.

Applicable to all frustrated collectors who shop in vain for their favored items.
I found a Vectrex overlay at this yard sale; I asked the guy running it if he had the Vectrex still, and he said that he had the system, a few dozen games, the 3D Imager, and light pen, but that Sumguy had just bought it all less than 5 minutes before I got there!
Sumguy by SG Fan November 1, 2004
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Person 1: Is that SumGuy?

Person 2: I can't tell, who the fuck are you talking about?
SumGuy by SumGuyStan January 28, 2023
Related Words
The act of admitting to very private or secret personal details without realising, often setting yourself up for life-long mocking
Phil: I licked a bumhole once because Graham up the chippy said it tasted alright.
Jeff: Oh no, phil's just pulled a surguy!
surguy by Bug999 May 14, 2016
Another way for saying what's up guy
Emedi matadi rachidi :hey supguy? Paul osiya :no much bruh
Supguy by anonymous April 16, 2023

körpücük sümüyü

Azerbaijani offensive slang meaning for boys who have clavicle . Frequently used towards boys who do really petugskie hereketi.
körpücük sümüyü olmayan oğlanlar yazmasın

breatharian 

One whos diet consists of air, light, and prana, with a possible sip of water now and then.
The breatharian has air, light, and prana for food.
breatharian by leena gabor November 8, 2005
Word of the Day on June 3, 2026

A Booger In The Nose Of Progress 

Anything that impedes or otherwise interferes with a process going forward.
"Militarily, that inquest was a booger in the nose of progress."

or

"As far as human rights are concerned, this political infighting is a booger in the nose of progress."
Word of the Day on June 2, 2026