It means to be intelligent. The brain is between the ears.
The idiom "pick up your ears" means to listen carefully or pay close attention to something being said. It's a figurative way of telling someone to be alert and actively engage in the conversation or situation.
It's not an idiom. The definition of "at stake" is what is being risked in the situation or venture. A stake is a share or ownership in something.
The idiom "shell out" means to pay a sum of money, usually unwillingly or with reluctance. It implies spending money on something, often more than anticipated or desired.
The idiom "stuffed to the gills" means that something is completely full or packed to its maximum capacity. It is often used to describe a situation where there is no more space left.
The idiom "tip of my tongue" refers to the feeling of almost remembering something but not being able to recall it fully. It conveys the sensation of the word or information being just out of reach in one's memory.
This is supposed to mean that someone is talking about you.
The idiom "pick up your ears" means to listen carefully or pay close attention to something being said. It's a figurative way of telling someone to be alert and actively engage in the conversation or situation.
It means that the person is giving you their full attention.
That you have long ears
No, it is a phrase that means just what it seems to mean.
You can guarantee something.
This is not an idiom. If you see "as ___ as ____" you are dealing with a simile or comparison between two things. Remember AS = A Simile. This is just saying something is very large, as a buffalo is a large animal.
Idiom
flatter her to get something
It depends on how you use it. If you mean literal colors, then it's not an idiom. If you say something like "It's all there in black and white," then it's an idiom meaning that something is printed.
to want to do something; a wanting to entertain oneself
Eternal isn't an idiom. It's a word. Idioms are phrases that seem to mean one thing but mean something else.