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used to vocalize disapproval, dissatisfaction, or disdain, particularly in response to something disliked or unwelcome
a close friend, romantic partner, or significant other
What does "boo" mean in slang?
The term "boo" is an affectionate word for a romantic partner or very close person. The structure is a shortened, playful form of "beau," historically meaning a boyfriend or admirer, later simplified in modern slang. It is commonly used in texting and speech to express intimacy or emotional closeness. Depending on context, it can refer to a boyfriend, girlfriend, or someone you are romantically involved with.
a cry or noise made to express displeasure or contempt
show displeasure, as after a performance or speech
