Vag Amnesia 

When a guy ignore all his friends because he either has a new girlfriend or because his girlfriend is around. Male form of dick amnesia

John hooked up with Jessie and now it's like he has total vag amnesia.

Vag Amnesia by MDSA December 20, 2005

tea amnesia 

When you make yourself a cup of tea, and in leaving it to stew, forget about it, only to discover it, lukewarm, half an hour later, completely undrinkable

I was looking forward to that cuppa all day, but now my tea amnesia has robbed me of it

tea amnesia by teamon October 2, 2011

cock amnesia

When a female has performed oral sex on a male and does not remember the experience. Even after presented with evidence she denies ever performing the act. Must not be under the influence of drugs or alcohol.

Dick and Jane were in a long term relationship. But one day Jane went over to John's house and gave him head. John told Dick, and Dick confronted Jane. Jane refused to believe or admit that she gave John oral. Jane has been diagnosed with Cock Amnesia.

cock amnesia by Pace' September 14, 2006

Fecal amnesia 

A condition in which the person does not remember when they last had a bowel movement. Most commonly effects college girls.

My stomach hurts and I don't remember if I pooped yesterday or the day before. I must have fecal amnesia.

Fecal amnesia by Larry56 April 7, 2013

snapchat amnesia 

When you snapchat someone using a caption and it takes them so long to respond that you forget what you initially asked and/or told them.

Bob: "Taylor just snapped me and said yeah she'll go with me"
Andrew: "Where?"
Bob: "Damnit, I got snapchat amnesia again. I sent that snap like 6 hours ago."

snapchat amnesia by SometimesHilarious May 30, 2016

Performance Amnesia 

The ability to instantaneously forget any and/or all memory of strike-outs at bat, missed anniversaries, double-fault serves and the like--before their accumulated effect can have a detrimental impact on real-time performance.

Hey, Ass-Clown--It might feel good at the time, but it's just not cool to smash an innocent tennis racket or throw your bat into the stands...get some performance amnesia or take up stamp collecting.

Performance Amnesia by YAWA April 13, 2019

adolescent amnesia 

The condition that causes a teenager to repeatedly forget to perform tasks.

Suffering from a virulent case of adolescent amnesia, my daughter consistently forgot to to do her homework.

adolescent amnesia by RegencyEditor January 2, 2010