Foo-Flash

1. The rapid flashing of your cars headlights to tell someone to move out of the way.

2. can be used on slow drivers.

3. From the term "F.U Flash", meaning "Fuck you Flash"

Driver: This bitch in his Mercury ain't gettin out the way.
Passenger: So bring on the Foo-Flash!
*flash flash*
Driver: Next time don't drive at 40km/h on the freeway!

by callumdubai September 6, 2007

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!

by Supposedly_Bacon May 29, 2020

Flash Texting

Similar to flash mobs get a large group of people. All at once everyone texts the same person the same thing.

We just spent all night flash texting her.

by Studharker May 29, 2012

Dirty flash

A term used in the custom Android ROM community that refers to flashing or installing a ROM without wiping user data.

Usually only possible if upgrading to a newer version of the same ROM.

The dev said dirty flash was okay, so I don't have to wipe my user data.

by KinteLiX August 28, 2022

flash class

Flashy + classy

Justin Timberlake is so flash class.

by flash class creator February 5, 2018

Stair flash

Getting flashed by someone on glass stairs or stairs with no risers wearing a skirt and no underwear

I was sitting in the library when I looked up and I got stair flashed by Nathan. He was wearing a pink skirt but no underwear underneath, showing off to me his hairy balls

by Cyber_Pedro February 7, 2023

Flash day

April 20 flash your body to a friend, best friend, boyfriend, girlfriend or Just a friend That you are comfortable showing your body to.

Jone: hey John, Take a look at my breasts, what do you think of them, and also my ass and vagina.

John: That beautiful, take a look at mine and tell me what you think.

Jone: That’s a really nice penis John

Together: HAPPY FLASH DAY!!

by Loreal men expert April 18, 2018