A small child,especially a toddler or preschooler,whose pastime is crazy fantasies and games of make believe,hence the term. Such little ones may seem like parodies of the mad scientist by the name.
3-year-old Patrick is quite the child Frankenstein, the way he likes to pretend he's the creator and master of the capital H invention. Sometimes he really goes too far in his fantasies; in fact,this child Frankenstein even claims he wants to be a mad scientist when he grows up.
by JMC70 September 10, 2017