a term used on social media for posts that contain flashing lights or flashing pictures and is used as a warning for people who can't handle it or who have mental illnesses because it could trigger seizures for them etc..
*sees a post*
the caption reads : flash warning!!
*quickly clicks off*
you : oh thank god i could have had a seizure
the caption reads : flash warning!!
*quickly clicks off*
you : oh thank god i could have had a seizure
by Lana Del Rey is god1 April 26, 2021

The glimmer of light in a photo that indicates one has taken his or her picture in the mirror and the flash has reflected off of it, often found in photos of people who might be classified as white trash.
by King Katastrophe September 4, 2010

The incredibly evil man who jerked off The Flash so fast it made him seem like he nutted at the simple touch of a woman.
“It was me Barry, I jerked you off at super speed to make it seem like you nutted at just a woman’s touch!!”
-Reverse-Flash to The Flash
-Reverse-Flash to The Flash
by ButtholeEnthusiast May 1, 2022

To lift the bottom corner of a t-shirt, revealing the handle of a personal firearm tucked into the waistband, done in either a casual or rigorous manner. This action can be utilized to display power, exercise authority, or ward off potential offenders.
"Yo, dawg, those homies is steppin'"
"No worries, just flash the steel!"
"Last night I saw some hoods on the east side."
"Really? Did you flash the steel?"
"No worries, just flash the steel!"
"Last night I saw some hoods on the east side."
"Really? Did you flash the steel?"
by TheStarCaptain May 12, 2009

Flash Brown is a male pornstar who specializes in interracial porn. Probably one of the most professional pornstars out there, Flash Brown always puts a smile on my face.
by Max "Hillary" Brown July 26, 2016

by jon biscuit January 20, 2009

by RuralJur March 18, 2009
