On the TV show "The X-Files," Fox Mulder's cigarette-smoking, shadowy, primary nemesis throughout the show's run from 1993 - 2002.

Whenever he appeared he was always either smoking, lighting up, rudely blowing smoke in someone's face, or putting out one of his trademark "Morley" cigarettes.

He may have headed up Federal agencies such as the FBI, CIA, and NSA, and he was apparently responsible for the abduction of Mulder's sister and was potentially their actual biological father. He also apparently had some role in almost every government conspiracy/coverup dating back at least as far as the 1947 Roswell, NM extraterrestrial incident.

His real name was finally revealed to be "C.G.B. Spender" in the 6th season of the show.
Mulder: "Tell me where they've taken Scully, you black-lunged son-of-a-bitch!"

Cancer Man (while lighting a Morley and walking away): "All in good time... Mulder."
by dookeyboy December 21, 2010
Get the Cancer Man mug.
Worst type of men ever, even tho there’s no good type of men. Will be talking to 100 other girls. These men will not make u feel special. That’s all thank you.
Person 1: yo who’s that ugly ass musty ass looking ass white ass who looks like he doesn’t wash his ass guy over there

Person 2: he’s definitely a cancer man
by idkwhattoputhere March 21, 2021
Get the Cancer Man mug.
HORRIBLE! Cancer Men have no sense of stability in their life and they suck and always cheat in their relationships (if they can keep one for more than a week) If you have a Cancer Man in your life, go through their phone and see if their friends with their ex. If they are friends with their ex...... REEEEEDDDDD FFFLLLLAAAAGGGG!!!!!
Ashton: Honey, I'm a Cancer
Karson: We're done.
Man that Cancer Man sucks.
by Ladyrights<3 March 1, 2022
Get the Cancer Man mug.
Worst type of men ever, even tho there’s no good type of men. Will be talking to 100 other girls. These men will not make u feel special. That’s all thank you.
Person 1: yo who’s that ugly ass musty ass looking ass white ass who looks like he doesn’t wash his ass guy over there

Person 2: he’s definitely a cancer man
by idkwhattoputhere March 21, 2021
Get the Cancer Man mug.
the head honcho man in the x-files who is always seen smoking a cigarette.
cancer man usually appears at the end of the show.
by Allyson Rose August 2, 2006
Get the cancer man mug.