An abbreviated form of "mom and them," that refers to one's mother's, family, and friends. This expression can not only be found in the south but in ghetto's and north western inhabitants across America.
We invited momin'em to our town's ice-cream social and right about ran outta Rocky Road.
Definitions include: A person with a pronounced scar visible on their cranium, generally incurred from some sort of surgery, often from an altercation in a bar room, generally acquired by contact with a broken beer bottle. Also used to refer to a dumb ass, implying that their brain was removed, and the hole was stitched back up by a first year medical student that closed the wound with thick suture thread, leaving the impression of a zipper.