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.
I couldn't see all of her piercings because the trash flash covered up half of her face.
by King Katastrophe September 04, 2010
A derisive term for those tattoos popular with young women that run down along the ribs.
"I thought she was hot until she put on her bikini and I saw her trash flash."
by Oliver Winscles December 14, 2008