When you are getting head, and you cum in her mouth so much, and she spits it out, causing an explosion.
Mommy gave daddy the fallout, and that's why I am in an orphanage now.
by Urban Fatso June 19, 2016
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a fallout is a post-apocalyptic area or an entire world,
"this place looks fallout"
by brincent November 19, 2015
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Not going as planned; a dud; mostly to describe the state of of something (but mostly plans).
"Hey so what are you doing this weekend?"
"Well I planned to go to a pretty sick party on friday but then my friend who I was going with and providing my ride flaked on me last minute. I also planned to just hang out with some friends saturday night, but that got canceled as well. I was looking forward to a good time but it just turned out to be a fallout weekend."
by Stellakvif April 8, 2011
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The game that rocked our worlds.
From the hands of producer Brian Fargo.
The game that third version of it will suck cuz black isle is no more and bethesda softworks is developing it.
You are free to worship Fallout 1
Second is cool but no need to worship.
Dont even bother playin "Tactics".
Fallout was so great,people dont stop tainting legends !!
by IanGun October 21, 2007
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The dramatic events and controversy that follow a surprising, important change, statement, or revelation.

Derived from the name for the radioactive particles that fall from the sky for some time after a nuclear explosion.
After the prime minister revealed he had been working alongside the banks in actions which precipitated the current economic crisis, there was massive fallout which resulted in a general election.

The president and cabinet were forced to resign due to the fallout after an insider leaked secret files to WikiLeaks.
by Rhodoferax January 12, 2011
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n. the remaining, un-flushed fecal detritus that refuses to go in the first flush; usually a few flakes or the occasional stubborn dingleberry
My wife gagged when she found my fallout in the crapper after Burrito Nite.
by Nite Owl December 21, 2005
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The half burnt weed from a cashed out bowl that is found in an ash tray. Often smoked when you no longer have any fresh bud. Has the potential of getting you extra high because of the high resin content, much like a roach.
"Dude I am out of weed! All I have left is this fallout in the ash tray."
by Hunter S. Zombie November 22, 2011
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