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When something tastes like a napkin.
"Out of coffee filters this morning, so I had to use a napkin. Now my coffee tastes all napkiny"

When you bite into your burger AND the napkin surrounding it. That will taste "napkiny"
Napkiny by Miss Adventures October 14, 2010
something that induces female genital lubrication (to cream herself). In such a manner that she needs a napkin, to clean herself off.
"You need to learn this song. It's fucking napkiny."

"Damn that was a napkiny song. I need a towel."

"Robert and Kush are two Napkiny mothafuckas."
napkiny by Robert and Ankush November 7, 2008

napkin dandruff 

Detritus left on one's clothing from white cloth napkins.
The meal was incredible and the service was great, but when we left the restaurant I realized I was covered in napkin dandruff. I wish restaurants would use black cloth napkins!

Napkin Show 

The time of the month when a women is on her period or experiencing menstruation.
Guy A: Dude, that chick was acting so bitchy to everyone earlier.

Guy B: Yeah, I know. She is probably on her fucking Napkin Show.
Napkin Show by R&F May 11, 2013

napkin math 

"Napkin math" is the act of performing estimates (usually of a financial nature) to roughly determine the feasibility or validity of an outcome or fact. It is usually performed in an informal setting.

Napkin is an allusion to the disposable nature of the information.
"I've done napkin math Dave, even if you get a $10k/year raise you still can't afford that mortgage".
napkin math by silentguardian September 12, 2013
Suppose that you were sitting down at a table. The napkins are in front of you, which napkin would you take? The one on your ‘left’? Or the one on your ‘right’? The one on your left side? Or the one on your right side? Usually you would take the one on your left side. That is ‘correct’ too. But in a larger sense on society, that is wrong. Perhaps I could even substitute ‘society’ with the ‘Universe’. The correct answer is that ‘It is determined by the one who takes his or her own napkin first.’ …Yes? If the first one takes the napkin to their right, then there’s no choice but for others to also take the ‘right’ napkin. The same goes for the left. Everyone else will take the napkin to their left, because they have no other option. This is ‘society’… Who are the ones that determine the price of land first? There must have been someone who determined the value of money, first. The size of the rails on a train track? The magnitude of electricity? Laws and Regulations? Who was the first to determine these things? Did we all do it, because this is a Republic? Or was it Arbitrary? NO! The one who took the napkin first determined all of these things! The rules of this world are determined by that same principle of ‘right or left?’! In a Society like this table, a state of equilibrium, once one makes the first move, everyone must follow! In every era, this Worldhasbeen operating by this napkin principle. And the one who ‘takes the napkin first’ must be someone who is respected by all.
It’s not that anyone can fulfill this role… Those that are despotic or unworthy will be scorned. And those are the ‘losers’. In the case of this table, the ‘eldest’ or the ‘Master of the party’ will take the napkin first… Because everyone ‘respects’ those individuals. napkin
Napkin by Feralman2003 October 10, 2019
More from Urban Dictionary

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

Pee Calculus

When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Pee Calculus by anorlondo October 1, 2026
Word of the Day on October 2, 2026
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