tinker >> ˈtɪŋkə
Definition: [noun] (especially in former times) a person who makes a living by travelling from place to place mending pans and other metal utensils.
Definition: [noun] a mischievous child.
Example: little tinkers, we were
Definition: [noun] an act of attempting to repair something.
Definition: [verb] attempt to repair or improve something in a casual or desultory way.
Example: he spent hours tinkering with the car