by zaivon July 6, 2010

by heffer101 March 10, 2008

When a woman (or possibly a man) wears a button-down shirt that is a little too tight, resulting in the fabric straining at the buttons, and forming a gap. This allows friends, family, and/or the general public to have a glimpse of your side-boob.
"Oh man! That girl should really put a sweater on."
"Why?"
"Because she's totally gap-flashin' the entire coffee shop!"
"Why?"
"Because she's totally gap-flashin' the entire coffee shop!"
by america's cynic January 27, 2010

by Peter Pener March 13, 2025

When you give her the good anal slip after you just took her out to a fancy date to Taco Bell and it sprays out at high speed
by Kansas kids February 11, 2020

by Zeltig21 August 8, 2019

yell this when someone says something dumb, and you get to slap their forearm unless they say "could've been" first.
say a bunch of dudes walk up into in-n-out burger
griffin: yo how much is a mcchicken
everybody else: flash!!!!!
griffin: yo how much is a mcchicken
everybody else: flash!!!!!
by macmuthafuckindre July 8, 2009
