"*sees a parent pushing a double-stroller, with four kids tagging behind, and one in her arms* "holy baby-train
"having a very high number of children, two children can be very expensive to raise in today's world/economy, but some people have more than 4
""*sees a parent pushing a double-stroller, with four kids tagging behind, and one in her arms* "holy baby-train" What is the definition of "baby-train"?