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(noun) A liquid drink served at the Phi Psi lodge at Cornell University especially during the 1970s. Used as a substitute for other decent drinks in order to save money for the house. Gunder was akin to Kool-aid, but somewhat thicker. It did not come in flavors, so much as it came in colors of which there were primarily two -- green and red.
The Brow's skin tone was the color of green gunder. Red cake goes well with a big glass of green gunder. My blood flows with green gunder.
gunder by B.J. Cleaver December 13, 2004
Words you can keep
To completely understand someone or something.
“Oh yeah, that totally makes sense! I gunder.”
gunder by Seamus F March 29, 2023
gay looking male (usually briefs) underwear, often containing pastel colors, obnoxious patterns, or rainbow stripes.

Cross between 'gay' and 'underwear'
1) I'd like to return this as I thought there would be 3 pairs of simple, solid color briefs, but I was shocked to find this pastel striped gunder hidden between the two pairs on the outside.

2) Man: Lemme flip the lights before we go any further.

Woman: why? are you wearing gunders?
Get under, perfect for dog training.
Gunder!

Telling a friend. Gunder when it's appropriate.
Or gunder meaning Wow.
Depends how you say it.
Get under, perfect for dog training.
Gunder!

Telling a friend. Gunder when it's appropriate.
Or gunder meaning Wow.
Depends how you say it.
Gunder by Werdna Drof June 17, 2021
Gunder is the essence of life. Also Kawaii.
gunder by anonymous August 12, 2023

Gunder Style 

A phrase describing someone who frequently goes out without any form of payment with them.

i.e. Forgetting your wallet
"Matt went to the bar Gunder Style last night"

"Man that bar tab cost me a fortune because Chris went out Gunder Style"
Gunder Style by PViddy December 20, 2012

gunder sauce 

the sweat and nastiness that is formed under the gut a over weight person
you got a gunder sauce stain on your pants
gunder sauce by j-remy December 6, 2007
More from Urban Dictionary

age gate 

An absolutely foolproof way to keep minors from viewing content deemed "too mature" for them to watch.
Billy: "So I was trying to watch some videos for an M rated game, and I ran into an age gate, so I put in my real birthday. SOMEHOW it managed to figure out that I am 12. CURSE YOU AGE GATE!!!"

Bill: "Fucking age gate! *quick scroll* THERE! I was born on January 1, 1904. Fuck you age gate."
age gate by Banja January 7, 2011
Word of the Day on August 27, 2026

board chow 

A)
The Crud that collects under the keys in a keyboard. Usually more severe in the keyboards of programmers and webmasters as they tend to spend a lot of time at the the computer and thus eat at their desk. Mainly affecting IBM Model M (clicly) style boards.

B)
Can also be used to gross out Non-Techie people
A)
Bill: want to go to the club?
Bob: No, I've got to clean out my board chow, keys are starting to stick.

B)
Bill: Want to go out to get a bite?
Bob: No, i am just going to have some of my board chow/
Bill: Whats' that?
Bob: The food scraps that collect in my keyboard; Want some?
Bill: *GAG* *HURL* *GAG*
board chow by BinaryHackerMan September 3, 2007
Word of the Day on August 26, 2026
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