A baby who is being passed off as one man's child, when he/she was actually fathered by another.
Man - "I want to know my child is really mine; I don't want to be stuck with a jacket baby."
by SelfMadeBum December 27, 2009
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.×