A criminal organization or "gang" mainly based in urban areas of Columbus, OH. The make-up of this clan is mostly Caucasian individuals, and unexpectedly, about 2/3 of the group's population is made up of homosexual men. Their inconspicuous color choice of yellow was made to allow victims feel a sense of comfort with the affiliation. This is quite the misnomer as Yellow Koala activities include crimes such as human trafficking, wellfare fraud, and manslaughter. They are especially notorious for cases of assault towards young children. They refer to this as "friendly" attacks or "Barney" assault.
by ganginfoohio April 27, 2010

by Bastion of Niegativity August 30, 2025

A ”yellow” is a person who brings back the sunlight in your life. The person who makes you feel safe and happy, the one you feel pulled to.
by Lovely hunny March 24, 2024

The man the myth the legend, dirty uncle yellow( Ryan wiegand). Known for cooking bomb ass food, spinning fire, cutting up goats in tents at festivals to
Feed everyone around for days, and falling asleep randomly, at any time or place.
Duy for short
Feed everyone around for days, and falling asleep randomly, at any time or place.
Duy for short
Did you see dirty uncle yellow taking to Ben earlier around 2pm. Yeah I seen him yellowing out while leaning against a tree mid sentence.
by Yellow_4130 November 23, 2021

The act of drinking piss.
by Etherlbert IV March 15, 2023

A kind of life philosophy where the person who practices it is rather careless, and succeeds effortlessly in their initiatives despite not trying.
The person is often compared to a sociopath or someone with a schizoid personality disorder. Yellow people often get green ones pulled on them, but they are often too careless to counter-attack the green individuals, sometimes yellow beings decide to come back after months or years to clarify the truth, but no satisfaction arises from the clarification as they are careless and often apathetic and indifferent to any situation, they do the right thing for the sake of doing it, and they have very few friends; who often practice the yellow philosophy too.
The person is often compared to a sociopath or someone with a schizoid personality disorder. Yellow people often get green ones pulled on them, but they are often too careless to counter-attack the green individuals, sometimes yellow beings decide to come back after months or years to clarify the truth, but no satisfaction arises from the clarification as they are careless and often apathetic and indifferent to any situation, they do the right thing for the sake of doing it, and they have very few friends; who often practice the yellow philosophy too.
Veronica: I am not a sociopath, I'm just being yellow. My groomer/abuser pulled a green one on me to gain the empathy of everyone and I had to clarify it months after the facts! She is evil!
by Wiggly boy October 16, 2020

The worst type of chemistry - when it turns yellow - usually signalling the presence of something toxic, radioactive or both.
by Mushiking42 July 1, 2024
