Wiktionary
groinal
a. (context informal English) Pertaining to the groin.
Usage examples of "groinal".
Kryten plugged the food-blending attachment into his groinal socket and thrust his hips towards the mixing-bowl.
Clasping it to his groinal areas, he barrelled forward and fled out of the pantry and out of the kitchen and out of the dining‑room and out of the inn and into the night.
At least, that was clearly what had been happening right up to the point when the smaller figure, wearing a not bad attempt at an Ins-and-Outs shako and a face that looked slightly like Polly's, had kicked the other one squarely in the groinal regions.
He was nearly halfway across, but the next stone was just a bit too far and could only be reached with serious groinal stress.