Tumor 

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.

Tumor by Alex Hof January 22, 2008

tumor 

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!

tumor by Kisil February 19, 2005

tumor 

a clingy person; shadow

we'd go to the club if you could get rid of that tumor of a girl

tumor by nappyafrochik April 6, 2003

tumor 

peter s .

peter .

tumor by yo chang June 10, 2004

Tumor 

When two people have a same sense of humor.

Wow! We both have a tumor, sick

Tumor by Jdfr8s June 26, 2018

tumor 

-male porksword that looks like a piece of dead meat
-easy way to get away with saying "penic" without getting in trouble
- a word made up while eating burritos and googling shit
-an especially special word made up my Savannah =]

Kelsey: Wanna see Pete Wentz's dick?
Savannah: Sure
*googles*
Savannah: WTF, is that a tumor??!?!?!

tumor by SavannahSuicide June 13, 2008

tumor 

A general exclamation of emotion. Accompanied by the word "squeal" for more emphasis.

I just got a PlayStation 2? Tumor! Tumor squeal!

tumor by Hand Hanzo December 21, 2004