This is not an idiom I have ever heard. Perhaps you mean water cooler talk, which means chat that might occur between workers at the water cooler or anywhere else.
It is not an idiom, it means your nose is itching.
idiom means expression like a page in a book
Simply its mean a bully.
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.
The correct idiom is "a frog in my throat," meaning that your voice is hoarse and croaking.
a big thing that has water coming out of it
This is not an idiom. An idiom is an expression whose meaning cannot be deduced from its elements. To go through fire and water for someone is easily understood to mean to make a special effort and to undergo difficulties for that person's sake.
Water fountain
The word Fuente is usually used to mean "fountain", like a water fountain. It can also be used to mean "sources", as in the sources you would use to write a research paper.
The Highest water fountain. Is Franikee fun water
It is not an idiom, it is fact. A hose can be used for a water level with hundreds of feet between the two points. As long as two bodies of water are connected somehow, they will be at the same level. As an idiom, it would mean a person tends to seek out people they feel are equal or have the same point of view.
fountain or fount soda fountain, water fountain, drinking fountain
The word is fountain. water fountain fountain pen soda fountain
The water fountain had cold water in it.
You can not get HIV from drinking from a water fountain.
the distance and direction to the water fountain
First, when you see the phrase AS ___ AS ___ it is A Simile instead of an idiom. It is easy to figure out the meaning of a simile. Water flows quickly, so the simile means that whatever it is, it's as fast as water flowing.