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The same as Amnesia but Amnosia isn't medically recognised.
"I may or may not have done it, I don't remember. I have Amnosia."
"You have Amnesia?"
"No, it's Amnosia. Basically, Amnosia and Amnesia are the exact same except Amnesia is medically recognised whilst Amnosia is not."
"Uh huh.."
Amnosia by gory the snool November 20, 2017
Related Words

Repetitive Familiarity Amnesia 

The inability to remember if you did something you do every day.
Every morning when you leave the house, you push the button on the garage door remote closing the garage door. Then 10 minutes later, you can’t recall if you closed the garage door because you do the exact same action at the exact same time every morning, so they all blend together and you couldn’t tell if your memory was from that morning or any of the previous mornings where you went through the same motions like you have countless times before. You just experienced Repetitive Familiarity Amnesia.

selective amnesia 

to benefit oneself by pretending to forget.
"Dude, if I loan you this twenty dollars please pay me back. Don't come down with a case of selective amnesia on me."
selective amnesia by Mack C January 21, 2007

Post-Amnesia

(noun) - When someone makes a comment regarding a post on Facebook or tweet that you completely forget about.
Jody: So did you end up all wet this weekend?
Chuck: Excuse me?
Jody: Yeah you facebooked it was raining at your cabin.
Chuck: Ohh riggghhhhttt... Sorry, Post-Amnesia
Post-Amnesia by ITALUS September 12, 2011

Nostalgic Amnesia 

noun; a state of mind where one experiences a pleasant glow due to a combination of reminiscences of a past time, and completely forgetting how rubbish that time was whilst you were originally experiencing it.
Nostalgic Amnesia had set in, and Frodo found himself pining for the glory days in Mordor.
Nostalgic Amnesia by Dr Winterbourne February 21, 2009
It's like amnesia but not scientifically accepted
I have amnosia, I don't remember anything
amnosia by Handsome Miggle May 15, 2019
More from Urban Dictionary

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

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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