1.) An unbelievably annoying person that is so hard to be around. No one can stand this person for more than 30 seconds.

2.)A swelling of a part of the body, generally without inflammation, caused by an abnormal growth of tissue, whether benign or malignant.
1.) "Man, Sean is being a total tumor right now."

2.)"Turns out Sean actually had a tumor, he's in the hospital now."
by Quinnlandmine November 19, 2017
Get the tumor mug.
a cigarette, use it often by big smokers
"Let´s have a tumor!"
"Hey, Give me another tumor!
Camel or Benson? "
by Luis E. July 29, 2006
Get the tumor mug.
More Then One
"Can I Have Tumor?"
by Alex September 14, 2003
Get the Tumor mug.
Someone or something that inserts itself into your life and doesn't go away until you've either died or blasted it with lasers.
God, Zack is such a tumor. He just shows up and spreads his cancer everywhere.
by Mr. Pudding July 13, 2018
Get the Tumor mug.
Karate choping someone randomly in any part of the body and shouting "tumor" and after they ask why you just "tumored" them you tell them they are going to get a tumor wher you just "tumored" them.
Alex karate chops Will in the arm. Will says "what the hell was that?"

Alex replies " I just "tumored" you!"

Will replies "what does that mean?"

Alex says "your going to get a tumor on your arm
now"

Will replies though his tears " I don't want a tumor !"

True story.
by Alex Hof January 22, 2008
Get the Tumor mug.
A euphamism for one's testical(s), used by immature boys to make an unsuspecting victim look at it / them.
Hey, man, check out my tumor!
by Kisil February 20, 2005
Get the tumor mug.
we'd go to the club if you could get rid of that tumor of a girl
by nappyafrochik April 7, 2003
Get the tumor mug.