by LizardInACan November 25, 2012

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.
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.
by Azthetic April 14, 2016

by ZZZZZZ! August 5, 2008

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.
by theJeremiah July 16, 2005

by RenOfHeavens October 4, 2016

by anthony cannizzo May 13, 2005

by Alyssa Jane October 18, 2007
