A condition caused by homeschooling in which an individual is around their immediate family for so long that it causes a severe lack of diversified social input.

The condition is analogous to normal inbreeding which causes a severe lack of genetic input.
-"Hey, have you met that John guy who's really clingy and talks like an old church lady?"
-"Oh yeah, he doesn't have a sense of humor and he's afraid of his own penis."
-"Guys, don't make fun of John...he's socially inbred because his hyper-religious mom homeschooled him."
-"Some Mormon kids down the street from me were all messed up from social inbreeding. They were like children of the corn, only creepier."

-"I saw him kiss his mom on the mouth."
by LooseLucyCat February 16, 2011
Get the social inbreeding mug.