The phrase someone uses when they do not want to admit how they know something weird without sounding stupid.
I asked sarah how she knew how toilet water tasted. But she claimed she did not know due to source amnesia
by Mmmmo February 9, 2017
Get the Source Amnesia mug.
That moment when you open a new tab and are about to do something - then you totally forget what you were doing.
Person 1: I was mindlessly wasting my life away on Tumblr so I decided to open a new tab and OH SHIT WHAT THE F*CK was I going to do.

Person 2: Shit, you must have internet amnesia.
by ToeKneeAhn March 31, 2011
Get the Internet Amnesia mug.
The awkward act of pretending you don't know anything about a friend or acquaintance's story, even though it's been thoroughly posted about on Facebook, Twitter, Tumblr, etc.
IN REAL LIFE

Girl: So I went to Colorado this weekend with my boyfriend...

Boy (in head): ... yeah, I know. It's plastered all over my damn newsfeed. Looks like I'm about to come down with a case of social amnesia.
by ArmedROBery July 21, 2011
Get the Social Amnesia mug.
A disorder that usually hits when a person gets in their 40s, sometimes it can his as early as their 30s.

People with age amnesia forget that they've have ever been kids, teenagers, or 20somethings and start to criticize the current young population as if they themselves were never a child, teen, or 20something.

People suffering from age amnesia suffer from forgetting they themselves were once teens with raging hormones or noisy little bastards. This comes with a steep misunderstanding of the young, as sufferers of age amnesia have never been a child.
Middle Age Man - "Kids these days all they do is watch TV, smoke weed, and eat bad foods"

20something - "You were a hippie back then, didn't you do the same?"

Middle Age Man - "IT WAS DIFFERENT BACK THEN!"

20something - "Whatever man, you got that Age Amnesia"
by RolphSemensDickOvensUWIDI November 5, 2010
Get the Age Amnesia mug.
When you go perform Felatio, or any other sexual act and can't remember it.
Thorn, "Did you have sex with John Doe?"

Carrie, "I am sorry I just can't remember."

Thorn, "So you are telling me you have Cock Amnesia?"
by Minnaar August 31, 2006
Get the Cock Amnesia mug.
At a restaurant, when a waiter takes his sweet old time getting your meal that you start to forget what he looks like.
A case of dining amnesia.

Waiter: Welcome to Agave Mexican and seafood restaurant. What would you like to drink?

Customer: Sprite, please.

Waiter: Comin' right up.

Twenty minutes later.

Waiter: Here is your drink, miss.

Customer: Who the fuck are you?
by Summertimefun August 14, 2009
Get the Dining Amnesia mug.
The condition where poor people who become wealthy forget how difficult life was when they were poor. They often speak condescendingly to poor up-and-comers and suggest they lack the talent or drive to succeed.
I remember when he was playing guitar in a coffee shop and now that he is a famous rocker, he acts like all the musicians he played with didn't have his dedication. He's got it twisted man, he's got affluent amnesia. rich, arrogant, condescending, narcissistic, self-absorbed, judgmental
by joecoolthefool January 19, 2015
Get the Affluent amnesia mug.