shit-for-brains 

An idiot; one who seems to have shit instead of brains, thus severely limiting their thought capacity.

Hey shit-for-brains, you fucked up again didn't you?

shit-for-brains by progamer124 January 18, 2003

shit for brains 

Stupidity; idiocy; etc. A person who has "shit for brains" behaves stupidly. "Shit for brains" refers to brainlessness.

Gee, Jim, you are one stupid ass; you must have shit for brains!

shit for brains by RC59 September 4, 2013

shit for brains 

1. Stupid. Careless.

2. A person evincing these characteristics.

1. "What a shit for brains thing to do."

2. "That shit for brains Bob left the oven on when he left for Jamaica."

shit for brains by Famous Mortimer January 24, 2003

shit for brains 

It means that someone is extremely stupid that they don't have a functional brain, instead they have shit (meaning nothing) where their brain is supposed to be.

Person # 1: Where the hell is Ray?
Person # 2: I don't know, I don't think he's coming tonight.
Person # 1: He's such a fucking idiot, he's ruining it for me too, I swear he has shit for brains!"

shit for brains by LILR1 August 19, 2008

shit for brains 

A serious medical condition where fecal matter has replaced brain matter. Dangerous, but with low mortality rate.

Symptoms: Verbal diarrhea, poor decision making skills and acne.

Cure: There is no known cure, recommend quarantine from general populace.

Exhibit A: George W Bush - Ran up a big bill, couldn't find a WMD or Osama in 2 terms.
Exhibit B: Everyone who voted for him.
Exhibit C: Most politicians.

Usage: Your alcoholic dad has shit for brains, you are a credit to the family.

shit for brains by Bushwhacked June 28, 2011

shit for brains 

noun; any animal having shit substituted for brains in the region of the skull: a direct result of having ones head up ones ass

That Jim is one of the dumbest mother fuckers I know. What a fucking "shit for brains".

shit for brains by green giant March 8, 2003

Shit for brains 

A stupid person, does not actualy refer to anyone actualy having shit in their skull.

"God damn it, you really do have shit for brains dont ya?!"

Shit for brains by MattTheJackass November 13, 2005