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A phrase used to determine the appropriate circumstances under which to flush a toilet. Urine was to be left unflushed in the toilet bowl while feces were to be flushed right after bowel evacuation. This was used in efforts of water conservation either in the sense of environmental conservation or the saving of clean toilet tank water during power outages in remote areas.
“Man, don’t waste three gallons of water to get rid of a cup of sterile piss.”
“Why is that kindly hippy?”
“Just remember man, 'If it’s yellow, let it mellow. If it’s brown flush it down.'”
Thank you, sir. Perhaps with the water we save in the crapper you might be able to bathe more thoroughly in the future.”

If it's yellow, let it mellow. If it's brown, flush it down
by Capt. Chunkstyle June 5, 2006
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flux capacitor

An invention conceived by Dr. Emmett L. Brown on November 5, 1955 which makes time travel possible.
Doc: "This is what makes time travel possible! The flux capacitor!"

Marty: impressed Flux capacitor!
by Phuyuck '74 March 23, 2004
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Related Words
fluff Fluffy flump flute fluck fluffer fluffer nutter flub fluke fluffle

FLÜGGÅӘNKб€ČHIŒßØLĮÊN

(n.) A "word" that makes absolutely no sense whatsoever and should not have made it onto Urban.
What the actual shit does FLÜGGÅӘNKб€ČHIŒßØLĮÊN mean
by C the Savage October 19, 2016
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Double Flubble

Abbreviated "the flubs", Double Flubble refers to a specific sex act between two men and one woman. The two men stand with their backs to each other, while the woman kneels between them and reaches through their respective legs, simultaneously giving each of them a handjob. (Kind of like a backwards Eiffel Tower)

Pro's: the guys don't have to face each other, and technically it is a threesome

Con's: makes for awkward conversation while it is taking place, and most women find it degrading
Last night, Jane got really drunk and performed a double flubble on myself and another male. I have no regrets.
by Bendy Straws August 11, 2009
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flick flick fluck

The origins of this word stems from the ancient lands of McLigz. It's a phrase that is uttered out from frustration. It's actual wording is an ancient derivation of the F-word, "FRICK", but with a mis-pronounced accent. To be used correctly, it must be said with speed and spontaneity. Execution is key as it only makes sense if used with the write accent and under the proper context.
McLigz: Damn lor, i got a wong fung ngai choong. I again win!
BoLigz: Ai yah! FLICK FLICK FLUCK!
by Jerson February 7, 2006
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Flutterby

The origin of the name for an insect with colorful wings that is currently called a "butterfly", is a "FLY" that eats "Butter". Going even further back, the root of the name goes back to the dutch origin "Butter Shitter", because the dutch thought the insect poops on the butter.

Therefore, because of the incredibly non-sense name for this insect, I propose to re-name this beautiful insect as "Flutterby", which is a far more accurate name for it.
What a beautiful flutterby!
by speak August 19, 2013
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flunkyball

flunkyball is a party-drinking game.

To play flunkyball you need 2 groups of players, who stand opposite to each other. Everybody needs an alcoholic drink which stands in front of him. In the middle between the two rows of players you need to place 2-3 empty beer bottles.

Now one of the players tries to hit the empty bottle in the middle with a ball. When he suceed, everybody in his group needs to drink as fast as they can until the other players have found the ball, fixed the bottles and are back at their places. Then its the turn of the other group.

To win this game, your group needs to finish their drinks before the other player do.
We want to play a drinking game. Any suggestions? - Hmm... how about flunkyball?
by John_Clark May 7, 2011
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