A more thorough explanation:

Definition: Mitch is a word that means the same thing as Miche. Miche means to hide, sneak, or play truant. It is an old-fashioned word that is not used very often anymore.

Example: The boy decided to mitch school and go to the park instead.

Explanation: In this example, the boy is playing truant by skipping school and going to the park instead. This is an example of mitching.