Shifthead 

; any driver who passes and flies in and out of traffic lanes without using direction signals.

An mental case behind the wheel.

That shifthead nearly caused an accident in two lanes!

Shifthead by Panthera Atrox February 19, 2011

slinthead 

A derogatory term used for someone who has done something stupid that usually calls for repercussions. The term is commonly used by fans of the Maze Runner series.

That slinthead needs to follow the rules

slinthead by shuckfacesandshanks June 27, 2014

shithead

A person that has no consideration for another persons feelings because he/she was born with shit in their head instead of brains

One who is a compulsive liar, every time they open their mouth only shit pours out. Often politely referred to as a bullshit artist

Sid you shithead, you got your mates wife pregnant and continued to bang her while rejecting, lying, and trying to deceive your own family for another eight years. Did you really think they had shit for brains too?

shithead by Chuddie October 3, 2016

Social Shithead 

Someone who thinks them having a lot of friends, makes them better than others. They constantly let it be known that they have many friends, despite the fact that no one cares.

Emily is a social shithead, she just spent two hours showing me her friend list on Facebook.

Social Shithead by WnIaTmTeY December 29, 2009

shithead

a person whose brain is made of shits

mr K-Y is a shithead, he tried to accuse his co-worker of using subtle moves and also compared his co-worker to a sinister and bitesome cobra, but they are all nothing but fucking lies.

shithead by it is not your business July 6, 2019

Shinhead 

noun
A male human of chinese descent who is fluent at english and french. Has a large quantity of hair situated upon their cranium and are a soul-mate to many. Usually, they are incredibly intelligent, able to solve hard problems and help others that are less fortunate in the brains department. Also very good with girls.

Derived from the french word, Chinois, which means Chinese.

Mitch: Hey Sam i need help with physics.

Sam: Sorry mate i don't do physics. Why don't you ask Shinhead over here? Hey Shinhead, can you stop talking with that chick and come over here and help us?

Shinhead: Oh okay then. Right let's see, oh okay, yeah you see how you require the critical velocity to achieve enough kinetic energy and potential energy to circumnavigate the entire circle...

*Sam and Mitch fall asleep*

Shinhead by The Shinhead April 28, 2009

MC Shithead 

A rapper that is only heard in the video game Grand Theft Auto San Andreas, that you never hear him rap, just giving a shout out.

Yo! This is MC Shithead! On Radio Los Santos, the home of gangsta rap and gangsta bitches.

MC Shithead by Freakazoid July 29, 2005