To possess a distinct lack of social skills. From the Latin prefix -hypo, meaning "Less than normal." It is a descriptive word used to define individuals who display qualities that are against social norms, i.e. not bathing, use of inappropriate subject matter with peers or co-workers, distinct anti-pop culture attitude and dress. Can be shortened to simply "Hypo."
"Man, look at David, he's being so hyposocial. He hasn't showered in a week, he's plastered drunk, he's draping all over those girls, and oh my god he's talking about the civil war at a frat party."