Flash 

When you bone a chick in under 2 minutes.

Damn Jeff couldn't stay with Melissa for more than 2 minutes...

Flash by The Big Man! September 22, 2003

Flash 

A vehicle painted "Safety Yellow" with minimal effort by rednecks to make a Ford Explorer fit in with the crowd.

"That Exploder looks Flash to me"

Flash by Unknown June 11, 2006

flash 

fast and furious

Lightningfast man

flash by flash December 16, 2003

Flash 

An application that can be used to create amazing content, but instead is often used to create crappy porn slide shows or dress up "games" that are then submitted to Newgrounds, and recieve high ratings.

Man1: "Hey, look at this guys experimental Flash site!"
Man2: "Nah, newgr0undz hazzz b00b13z."
Man1: "but..."
Man2: "B00BI3ZZZZZZ!!!!!111111one!!!111one"

Flash by 8bit May 9, 2006

flash 

a south london MC,MC Flash,hes a quick as a flash an is 1 of da sickest MCs about hes on da pirate radio station Delight.FM

raah!mc flash cum down last nite an ripped it up bruv!

flash by Sam August 1, 2004

flash 

sucky software developed by macromedia/adobe
Also: see fail

wtf??! where did that random line come from? god i hate flash

flash by heffer101 March 10, 2008

flash 

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!!!!!

flash by macmuthafuckindre July 8, 2009