something most people don't have.
more of the world doesn't have common sense,
than people in the world that do have it.
it's something that should explain itself.
obviously.

1) The sense of logical reasoning and problem solving skills as applied to practical situations that all inteligent beings should and usually do have. Whether they actually use it is another issue.

2)A pamphlet written by none other than Thomas Paine prior to the American Revolution. It railed against British policies in it's colonies, and got many colonists (the intelligent and/or educated ones who could read, anyway) to question British rule of America. This, of course, was yet another paving stone on the road to revolution and the creation of the United States of America as we know it today.

(1) A body of knowledge that a person believes everyone knows or should know.

(2) A conclusion or series of conclusions that a person believes anyone can draw by assessing a situation.

(3) The ability of a person to see what another person thinks is obvious.

bunch of bullshit, used to support all sorts of bullshit, bigotry and hate (anti-gay, anti-black rights, women's rights over history). It deals with social skills (know when to talk, when to shut up, how to have fun (but not act like a fool), how to walk, how to talk, etc. Just bullshit.

"Common sense is the collection of prejudices acquired by age eighteen."
-Albert Einstein

Something that helps a minority of people in situations to use logic to get out of said situation.

The thing that humanity needs in order to survive. Instead, we have certain people with no common sense (Logan/Jake Paul, Lil Tay, and many other human beings). To put it in simple words, it is a power that could save humanity yet no one has it.

Is when you use your head and not your ass