carcinogenic 

has the power to give someone or something cancer

If inhaled too much, chloroform can be carcinogenic

carcinogenic by Oceanwalker May 11, 2016

Carcinogenic 

Cancer causing chemical

HOWEVER this can also be used in slang to denote that something was extremely bad or horrible

Proper definition example:

Tar, found in cigarette smoke, is a carcinogen - this can cause cancer

Slang definiton example:

Person 1: How did you find the exam?

Person 2: Man, it was carcinogenic, especially that last page - I was LOST

Carcinogenic by slavicscammer September 21, 2021

The Big Carcinogenic 

A rarely-used nickname for the Smog-ridden city of Los Angeles.

It was just another skyless night in The Big Carcinogenic.

The Big Carcinogenic by A Lux November 1, 2005

Carcinogenerous 

When you offer someone a cigarette.

"Thanks for being so carcinogenerous! I'll write my nobituary some other time.

Carcinogenerous by icwish September 28, 2009

Carsonogenic 

1. Deriving from the worldview of neurosurgeon and political charlatan Ben Carson; 2. Likely to cause death

That radical conservative's views on gun control are Carsonogenic.

Carsonogenic by JEBean December 5, 2015

Carcinogen 

Like atoms, carcinogens make up everything, especially things that taste good.

Yum, I can taste the carcinogens.

Carcinogen by DudemanBKNYC November 19, 2016

Carcinogeneous 

Carcinogeneous, also known as carcinogenic, means substance that have potential to cause cancer.

Burning plastic can release carcinogeneous and pollutant gases.

Carcinogeneous by Hogan Bailey April 25, 2023