Mellow Yellow 

A joint/blunt rolled with "mello mango" (or any other mango flavored rolling papers), marijuana, any non-pot cannabis related substance, crushed up percocet and the tobbacco inside a Marlboro Smooth menthol cigarette

Hey man, we need to enjoy the scenery more. Let's mellow out. You know man, really get in touch with nature. We need to smoke a Mellow Yellow man. Listening to Led'll do that to you man.

Mellow Yellow by Tricky Stevensen June 16, 2010

mellow yellow 

When you're fucking a bitch who is so ugly that you can't get hard, so you pee in her.

see sour puss

I gave that ugly bitch a mellow yellow last night. Then I beat the fuck out of her.

mellow yellow by Rev. Reggie Dingleberry August 18, 2004

mellow yellow 

During sex, casually pissing inside a girls beefcave(vagina)

a guy and girl are in the middle of sex and he gives the girl a mellow yellow

mellow yellow by eat my boogers October 16, 2010

Mellow Yellow 

A shortend way of saying pee.

If it's yellow let i mellow ifit's brown flush it down <<mellow yellow

Mellow Yellow by LizardInACan November 25, 2012

Mellow Yellow 

1. Another term for heroin, due to heroin sometimes having a yellowish white appearance and being the ultimate mellowing out drug, the name "Mellow Yellow" was coined. Commonly mistaken and misused to refer to other drugs.
2. The name of a 1967 song by Donovan, who was referencing heroin usage, ironically this song has been used in multiple family oriented ad campaigns for food and drink.

1. I love that mellow yellow, its all I live for.
2. "They call me "Mellow Yellow"..

Mellow Yellow by Azthetic April 14, 2016

Mellow Yellow 

slang used for lsd

"Dude whats he one hes talking to a tree?!"
"Mellow Yellow yo!"

Mellow Yellow by ZZZZZZ! August 5, 2008

Mellow Yellow 

Giving someone a mellow yellow is when you act like you are going to bust a nut on their face, but instead you let forth a flood of urine all over them.

Best used when you have someone that brags about how good they are at giving head.

Mellow Yellow by theJeremiah July 16, 2005