one who is completely irrelevant to everyone around them

only cares for ones self
takes pride in humiliating others
Ashton Kutcher is a fucking lame ass shithead
by magicmarkermassacre May 23, 2005
Top Definition
A complete dumbass; a genuine moron. Someone who has committed an act in which causes harm or temporary discomfort to another.
Do not speak to that shithead over there.

Max is a total shithead.

Frank you shithead, I could have been killed!
by Tom Main February 05, 2003
1. One whos cranial cavity is filled with the excrement of his/her own and/or another living organism's bowel excrement/feces.
You are a fucking shit head.
by Zacharoo March 25, 2003
1. A narrowminded or ignorant waste of food, water, and air who usually is inpolite to those with seniority and/or is soveriegn; smacktard; bigot

2. One who is not intelligent enough to use a coherent insult and therefore uses insults such as gay, nigger. They usually can't even piece these together to a half decent insult.
That shithead thinks furries fursuit and screw each other.

"I will go to a game where I am a complete newb and be disrespectful to veterans! I think I shall call them 'Sheep fucker wannabe nigger jew lizard'."
by Berkie April 10, 2004
N; Proper name; Pronounced "Sha-theed" or "Shi-theed".
The lady filling out the birth certificate said, "For the third time, ma'am, you cannot name your daughter Shithead, no matter how you pronounce it."
by wallamh September 11, 2003
One whos ideas appear to have been formed while his/her head was inserted in their own anus.
Jude Law cheated on his girl friend Sienna Miller with a fat, nasty babysitter. What a Shit Head!
by PhillyJester May 01, 2006
1. (noun) an asshole that is stupid
2. (noun) Justin Beiber
3. (noun) one's head after it is defecated upon
Bill: Did you see that prepubescent faggot Beiber singing love songs and dancing around like a wind-up monkey?

Joe: Oh yeah, that butt-plug. He's a shithead. And it literally looks like he has a shithead.

Bill: I am pretty certain that he did probably pull his head out of some guy's asshole.
by backspinboy September 21, 2010

A perpetually drunk, never-nude, terminally ill woman who is allergic to her tongue and has many abilities and unique attributes. Among her skills are:

-Counting to six
-Seeing God
-Never being hungry
-Doing a Black Flip
-Providing abortions
-Burning down a hospital
-Guaranteeing protection
-Jumping across the street
-Sleeping in a chair
-Singing in the choir
-Immunity to AIDS
-Peeing with the lights off
-Finding you

She always comes first, and she is definitely not Asian. Also, Bono is her brother.
I'm Shithead and my body's a magnet.
by greatjeeeorb November 07, 2011

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