A mystical creature known for its love of cloudy days and misty mornings, often found lurking in the foggy corners of old towns, bringing playful mischief wherever it goes
"I swear I saw a Grimster lurking around here..."
The act of transforming ordinary household objects into Halloween decorations using only creativity and whatever is lying around; for example, turning a broom into a witch's broomstick or a bedsheet into a ghost costume
"Oh Bill? yeah he's a total Grimster! You should see his house on Halloween!"