Boo boo Posted by Scott on January 27, 2011 at 08:33 Where does the phrase "Boo boo" come from? I.e. To a child: "Do you have a boo boo?"Thought: does it referance a blister known as a "bubo" is in the bubonic pluage? Boo boo David FG 28/January/11 (1) Boo boo Brian from Shawnee 29/January/11 (0)