A term that is widely used in texting and chat, and on Facebook and elsewhere on the internet, but what does Boo mean in slang?
Most Common Boo Meaning
Boo is a term of affection for someone close.
Boo is used as a term of affection for your boyfriend/girlfriend, close friend or family member.
Me and boo are so much alike it’s scary.
Alternative Boo Meaning
An expression of disapproval.
What Does Boo Mean?
A term of affection.