Flash Bang 

v. to fuck someone most vigorously and rapidly, as if one were The Flash.

n. a nonincendiary explosive which creates a concussive blast of sound and a temporarily blinding burst of light.

Henry: Ha ha! I got you with my flash bang!
Chris: Oh yea! *bumps into a wall* Well I flash banged your mom last night!

Flash Bang by Aktopus December 6, 2004

Flash Bang 

A grenade that blinds you and makes you temperarily deaf. When thrown on rainbow six 3 it is usually followed by " WATCH OUT YOUR EYES "

" Watch out your eyes!"
" Ah FUCK YOU Drewpeacok "

Flash Bang by bob long March 5, 2004

Flash Bang 

Loading gay porn on a device and throwing it into a group of unsuspecting males while yelling "Flash Bang!"

A humorous way to prank your straight friends by exposing them to gay porn

I really got those guys at the other table with that flash bang I threw at lunch.
My friend hit me with a flash bang.

Flash Bang by Chrispyboi69420 October 22, 2018

Flash Bang 

When you masturbate in another room till you almost cum. You then call your girlfriend or wife into the room. Upon her entrance, you cum in her eyes, thus blinding her. Once done with that, you slap your dick on her ears, thus deafening her.

Guy 1: "I gave my girl a flash bang last night."
Guy 2: "How did that go."
Guy 1: "Allow me to answer that with a question. Can I sleep at your place?"
Note: Will usually end with one angry girl.

Flash Bang by Gamer117 December 11, 2009

Flash Bang 

When a girl flashes a guy, then gets banged by beformentioned guy.

"I wanted to get his attention so I Flash Banged him."

Flash Bang by KindlyFuckOff November 4, 2019

Flash Bang 

Noun: The act of a group of strangers spontaneously engaging in sexual intercourse in a public place with lots of foot traffic (EX: train stations, plazas, airports, malls, parks). Such events are actually planned but appear spontaneous to anyone who not involved in it's planning. It should be noted that the organizers of Flash Bangs are typically very welcoming should anyone want to take part.

(Verb) Flash Banging: The act of taking part in a Flash Bang

The current record for largest Flash Bang took place with 28 people in the Smithsonian National Air and Space Museum.

Person 1: Hey did you did you take part in that Flash Bang in Central Park?

Person 2: I did! It was a blast!

Flash Bang by Supposedly_Bacon May 29, 2020

flash bang 

When you are masturbating to the point BEFORE the climax, then when a girl comes into the room you pull down her pants and stick your penis inside her pussy. Since you were about to reach your climax, you end up having an orgasm in her vagina.

*guys sticks his penis into girl's vagina without her consent and has a flash bang*
Girl: How did you have an orgasm one second after raping me?
Guy: I was masturbating before and I just had a flash bang.

flash bang by Mescoa December 16, 2008