Go mad
The German phrase "verrückt werden" translates to "go mad" in English. It is used to describe a situation where someone loses their mental stability or sanity. The phrase is often used metaphorically to express extreme frustration, anger, or confusion.
I could go crazy with joy.
This sentence is expressing a very high level of happiness or joy; so great that the speaker feels they might 'go crazy' or lose control of themselves due to it.
When I read all of this, I could go crazy.
It implies that the speaker is overwhelmed by a large amount of reading material, to the point where it leads to a strong feeling of madness or frustration.
He could go crazy with fear.
This statement indicates that the level of fear a person is experiencing is so great that they might 'go crazy' or lose control of themselves because of it.