A prison baby is when a gay male in the prison system withholds their bowel movements, and all anal ejacuations from their partners in for a month. After a month has passed the male inmate will finally pass the months build up of cum, and feces. The object is to give
the feeling of birth, and can make the gay prison inmate
the feeling of
motherhood. Some reports have stated that they've seen prison babies the size of a football.