1 definition by My'vatn
A gromper is a unseen creature that lives in holes or caves known as "gromper holes." They are typically active at night and low light hours especially in sparcley populated areas. Their activities range from mischievous trickery to the occasional kidnaping and eating of lost travelers.
"Stay away from there, that's a gromper hole if I've ever seen one."
"Don't go outside or a gromper might get you"
"Don't go outside or a gromper might get you"
by My'vatn May 12, 2017