A man on methanphetamines masquerading as a superhero.
Jeff: What about The Flash?
Peanut: He doesn't have any powers, he's on meth!
by Gerokeymaster November 20, 2009
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To correct someone, when they are wrong or mistaken.
Person 1: Did you hear Nelly's song "Hey must be the money?"

Person 2: Flash, that song is called "Ride Wit Me."
by Jameelah December 3, 2007
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To climb a rock face on the first attempt without any beta (previous information on how to complete the moves).
Rock Climber 1: Dude, that is so much harder than V8!
Rock Climber 2: Dude! I just flashed that shit baked out of my mind! There is no way that is above V5! You just spend too much time in the rock gym instead of actually climbing real rock!
by Booze man April 18, 2008
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Nelly (Hot in Herre): "Waitin fo da right time to flash dem keys"
by princezz December 31, 2004
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In rock climbing, describes leading a route without falling after receiving information about the route beforehand or watching someone else climb it. See onsight and redpoint.
After my buddy told me how to surpass the crux of the route, I was able to flash it with ease.
by sano September 21, 2003
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to vomit or throw up from drinking too much or from being hungover the next morning
i was so drunk last night i flashed in the parking lot befor work this morning!
by dirty dave 85 October 13, 2011
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The fastest thing eva....
Scott. E is Flash Ahhhhhhhhh
by Mr Flash January 27, 2005
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