If you have your hands full, you can't do anything else with them, can you? This idiom means that you're overloaded and don't have time or ability to do anything else.
Cleaning ones mind of misunderstanding
Keep an idea in ones head to act on it later.
The term "nest egg" refers to ones financial savings for retirement.
Er ... what? Are you asking what "under one's wing" means? Here's a link.
To "get ones hands dirty" can mean: 1) to get involved in the details of something (such as a process, design, creation, or other often cooperative venture); 2) to get personally involved in some unsavory venture (often used when certain people, such as politicians, send others to "do the dirty work" of war, assassinations, etc., because they don't want to "get their hands dirty")
If I do something "behind your back", it means that I do it without your knowledge, usually in a sneaky way.
That the referenced item is important. When sorting potatoes for sale, the smallest ones are typically tossed aside as being not good enough to sell.
It's not really an idiom - if something is at your heels, it's following close behind you. This means right behind you, almost upon you.
To take a risk, or make a sacrifice on another's behalf. Ex. "I stuck my neck out for you when I told the boss that I was the one who made your mess."
To lose ones temper and react violently.
eight mr. patatos
yes it does not sure why