What is Mahoning?
1.
The act of spreading random joy through use of index cards, and acts of kindness.
You pulled a mahoning.
Leaving index cards with kind words and inspration on car windshields. Instead of finding a parking ticket they may find something as simple as a smiley face.
See
Random Words:
1.
verb. the action of quickly and fluidly moving a motor vehicle from outside lane to exit or vice versa, usually without aid of a signal..