Nothing. However, a half-BAKED idea is one that is not fully formed, not ready to be put into action. It's a silly idea.
It means a man that is controlled or ruled by women, as if he were the rooster that backed down when a hen pecked at him.
This is an idiom meaning to narrow your focus down. It can also mean to narrow your aim and focus on one thing to hit. Picture the zero as a target and you get the idea of the idiom.
It means that someone is totally surprised. They have no idea what to do or where to go, the are standing there.
Keep an idea in ones head to act on it later.
If you mean a costume idea, you could dress up as a can - either a tin can or a trash can.
showing little effort and no real interest.
To get behind something means to support it.
It's not really an idiom. It means "what are you thinking about."
RFP is not an idiom. It's an abbreviation.
It is not an idiom, it means your nose is itching.
Nothing. I'm afraid you've got the idiom incorrectly. Perhaps you actually heard "a bee in her bonnet," which means that someone has an idea that won't go away, as if there were a bee in their hat that they could not ignore.
The idiom "eagle eye" refers to having an acute eyesight, or an intently watchful eye. It refers to the sharp eyesight of an eagle, which are known for seeing fish from hundreds of feet up.