A very young or underage child or teenager who is pregnant.They are still a child themselves expecting a child
You are over 21 ,strolling through the shops in the cheap end of town and see a baby bump on a teenage girl no more than 13 or 15 years old and you quietly think to yourself "well there's another babyhavingababy"
by munyuck February 2, 2009
Get the Babyhavingababymug.