There is never a record of the first person to use any one expression, because at the time it's used, nobody knows that it is going to become a well-used expression.
Pootie Tang
it come from the sharpest tack of the world
"Sharp" is a slang term for intelligent or capable. It means the most capable or smartest in the group.
im pretty sure the saying is: not the sharpest tool in the shed and it's a saying used to describe people with a low intellect
The idiom, 'jump out of your skin,' was first seen in England in the 1800s. It refers to a person being so scared that they 'jump out of their skin,' by dying and becoming a ghost.
A good idiom would be "sitting on the fence."
Nobody keeps records of that sort of thing, but Shakespeare invented a lot of idioms.
I think it means that that person agrees with that others persons idiom and that it fit that question that the teacher or whoever asked that question.
No, "a shoulder to cry on" is the correct idiom. It means someone who is supportive and comforting when you are upset or experiencing difficulties.
An idiom is a phrase that makes no sense unless you know the idiomatic definition. Can a person really shine like a light? No, so that makes this an idiom. It means time for that person to come to the forefront and be recognized.
"Penny pincher" is the slang term for a stingy person.
That's more of an idiom.