look up any word, like bae:
 
2.
It means beautiful gorgeous, a cute nickname that you can use for your girlfriend, instead of muffin or pumpkin, or sweety I mean come on orginality please
It's a nice name that with the meaning behind it, your girlfriend will come to love.

"I love you _ _ _ _ _? , I love you too Boo Goo"
by Gregory Krupa February 05, 2008
 
1.
When you scare someone so badly that thay cum in their pants, it is called "boo goo"
Lani screamed like a girl when I jumped out at him, and now his pants are full of boo goo.
by Joeittonlay October 17, 2006