Flashwank 

The act of touching oneself by the only help of your short term memory, after watching a batch of hot images a woman just sent you.

girl: hey, are you at the office now? Look at these pictures of me nude ...

guy: brb

girl: wtf r you doing?

guy: I went to the wc. Flashwanked, thanks btw!

Flashwank by ShadeeSkype November 7, 2011

russian flashbang

When you cum in a girl's eyes and slap her ears simultaneously

She said she loved me, right as she was blowing me. I gave her a Russian Flashbang and got the hell outta there.

russian flashbang by Tactical Russian October 22, 2013

mental flashbang 

Something so unexpected or outlandish that you shut down for a second. Usually without clarification from the speaker.

Bill: "I was eating these really good chips that I found at Dan's house but I didn't know the name. turns out I was actually eating his cat's shit"
Hank: "..."
Bill: "...so I was at the arcade the other day..."
Hank: "What the fuck dude? you're just gonna drop a mental flashbang like that?"

mental flashbang by dpgf April 15, 2021

Flashbanged 

Getting unexpectedly blinded by something bright such as a flashlight

I just got Flashbanged by that lamp, becareful

Flashbanged by JurassicEels May 20, 2018

Gorilla Flashdance 

A commonly held, go-to sexual fantasy not admitted to by many.

Once I conjure up my Gorilla Flashdance fantasy, I’m hitting ecstasy in a matter of seconds!

Gorilla Flashdance by Dr Bunnygirl September 30, 2019

Flashbang 

When you cum in a girls eyes and slap her in the face while screaming

Yo dan I flashbanged your nan last night

Flashbang by Master jacker July 31, 2020

Vietnam Flashback 

When you remember a (usually) traumatic experience and disconnect all outside distractions.

Ariana: I think Mikey is high..
Justin: Nah, she is having a Vietnam Flashback from when she was on Hannah Montana.
Selena: I get it. Disney is awful.
Ariana: Yeah, Nickelodeon is better.

Vietnam Flashback by TheDonutLordOfVietnam September 5, 2016