A description of anything with attributes similar or comparable with those of excrement, turds or jobbie-plops.
"As I sat down in the passenger seat I immediately noticed a strong odour which I can best describe as being somewhat gruntesque."

"It's possible that Grand-dad sat down on his sticky date pudding, but the stain on the back of his trousers looked a bit too gruntesque for my liking."
by Gruntie Stevie September 21, 2019
Get the gruntesque mug.