Grondel
The patch of skin located between the anal sphincter (asshole) and reproductive organ (bag'n'balls or puss depending on sex).
Dude! He just got kicked in the grondel!
Grondel
One who does not answer calls, refusing to accept calls and or not returning calls.
Dude, don't be a Grondel and call me back. I left him a Voice mail but he never returned my call. he is such a Grondel. Answer your phone Grondel.