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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?
by progamer124 January 18, 2003
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Jul 26 Word of the Day
Noun: a friend who is usually only called upon by a friend when a more primary/prominent friend is unavailable.

Taken from the term “second string” in an athletic competition situation. In football, if the star quarterback gets injured during a play, the second string is called off the bench to replace him/her. A “Second String Friend” is essentially benched until needed, if ever.

Synonyms: Plan B, Second Choice, Secondary Friend, Benched Until Needed
I got a call from X the other night. She had an extra ticket to a concert she bought for a friend, but they couldn’t make it so she called me to ask if I wanted to go because I am her Second String Friend.
by Deus-ex-machina August 26, 2020
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2
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!
by RC59 September 04, 2013
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3
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."
by Famous Mortimer January 24, 2003
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4
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!"
by LILR1 July 22, 2008
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5
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.
by Bushwhacked June 25, 2011
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6
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".
by green giant March 08, 2003
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