Ejac-flashback 

When a picture or video is familiar to you. You’re not sure from when but at some point the picture / video has been masterbation material

Dude I've just had a ejac-flashback that chick was last nights wank material.

Ejac-flashback by Jimbo_777777 November 29, 2012

Vietnam Flashback Face 

When a person has a resting facial expression which is incredibly vacant and vaguely shocked. Suggesting the person is having a flashback to an experience had in the Vietnam War.

"Woah that guy looks scared."
"Nah, he's just got Vietnam flashback face."

Vietnam Flashback Face by 11jadaway August 31, 2016

Naruto Flashback Syndrome 

Watching of the series Naruto, (or any other anime) in which the prequel to a battle is filled with non-important filler.

J.D. "Hey Hank, see the new Naruto the other night?"
Hank "Oh my god dude, there was so much Naruto flashback syndrome, i couldn't pay attention to it for more than 5 minutes"
J.D. "I know dude, the Naruflash on that has gotten out of control, I don't care if the Log's got a history too!"

Naruto Flashback Syndrome by Stuntmanjd October 1, 2009

Vietnam Flashback 

What you get when you hear your wake-up alarm during the day.

Person 1: “Why is he covering his ears when he hears my ringtone?”
Person 2: “He’s just having a Vietnam Flashback.”

Vietnam Flashback by Fox Master August 19, 2020

acid flashback 

1. A psychodelic experience caused by your body metabolizing LSD stored in the fat of your body after LSD usage in the past.

2. Jerry Garcia's revenge

Dude, is your face really that ugly, or is this another acid flashback?

acid flashback by Biff Skippy February 7, 2010

Asscrack flashback

When you have a flashback about having seen a sweet asscrack.

I completely forgot half of Marisol's butt was hanging out last Friday night until Monday morning when I had an asscrack flashback.

Asscrack flashback by lumbian May 27, 2010

Perico Flashback 

1) used as an allegory to describe the Miami and New York City cocaine culture circa 1975-1987.
2)An enlightning remembrance which brings back good memories and has been long forgotten until that moment.
3) A momentary lapse of memory.
4)An imaginary trip into ones mind in which the person reverts to Miami or New York City circa 1975-1987
5)An avid cocaine user or an EX-avid cocaine user.
(may also be one who resembles a cocaine user)
6)hallucinagenic trip caused by copious cocaine consumption.

1) I Remember that back in the Perico Flashback days, I was the man in Miami.
2) Juanito:Hey, Cuco do you remember that one weekend we took those girls to Fontainebleu?
Cuco: Oh damn, I had forgotten about that! I just had a perico flashback!
3)Damn, I forgot to clean the cat litter before we left on vacation. I must have had a perico flashback.
4)when I heard Born to be alive by Patrick Hernandez I had a Perico Flashback.
5)The guy who fixes my air condition is a perico flashback.

6)Cindy snorted so much cocaine she was perico flashbacking.

note* the verb tense form of the word is perico flashbacking and could substituted where the verb form is necessary.

Perico Flashback by afh33 January 25, 2011