Generally, the region located between the scrotum and the anus. Specifically, the term smegnoid refers to the unfortunate coexistence of SMEGma and HemorrhOIDS in one rotten location.
Noun - A pet name for a real douche-bag of a person suggesting their essence is disgusting. Can be used among friends for a common target or to the targets face to insult and/or test the waters.
Used among friends: Hey, did Smegnoid show up at work today?
Used on target directly (female on male): Yo Smegnoid, get your smelly cheese-dick the fuck out of my face!
Used on target directly (male on female): Damn wench, I ain't eating that shit! Your a Smegnoid!
An insult referring to one of uncertain hygeine, gut-wrenching body odor and having a personality like a warped shitcan.
Petruccio was an unlikeable smegmoid who had foreshortened arms coupled with great girth owing to a glandular problem which rendered him incapable of wiping his ass and therefore friendless.