this is ANY action taken for one to release obscure things such as tension, stress, everyday odsticales that can bring a one down.
"dude, you need to let your yellow mellow"
by flower420 March 7, 2012
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Some disterbing s** position
I'll marsh mellow your mom -Phil Lester 2017
by Ell lesowell November 5, 2017
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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 May 8, 2006
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When some one says or does something to bring you down off of a high (emotional or induced)
By giving me that news you are completely hashing my mellow I had going.
by Wafflehouser April 10, 2014
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A much more superior way of saying "harshing my mellow". It means to hash a mellow. People named Sophia often don't use this as they should.
by Skiptim November 6, 2020
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Mellow Yellow:

A Redneck, "I drank some meller yeller today."
Not a Redneck, "Why would you drink that Satan's piss?"
A Redneck, "Trump told me to."
by seeker792 March 21, 2018
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