"A Bay Bay" Is An expression that someone uses
non-provocatively when referring to a loved
one. It can also be a pick up line to a young cutie, or use it to call a
crush to someone you have known but have not had relations with, but have a good relationship with.
"Bay Bay" is an expression that can be used when a related family member is showing sentimental valued loved when comforting a younger relative of the same
gender. IE ( "A Bay Bay, Did You
Hit Anything At The Relay Today") This word and or phrase has been used in Louisiana since before 1986, I Know This Because I grew up in Springhill, LA