A child. Also known as crotch spawn, or runny nosed shrieking brat. Essentially, a baby or small child that is a whining little hell demon. Elementary schools and daycare centers abound with crotch goblins.
Any strange or foreign object that appears in underwear that should not be there. Example: discharge, shit stains, pubic hairs, stains, scabs, flies, cottage cheese, or crabs