boo
/buΛ/
verb
To shout extended boos at, as a form of derision.
interjection
A loud exclamation intended to scare someone, especially a child. Usually used when one has been hidden from the victim and then suddenly appeared unexpectedly.
interjection
Used ironically in a situation where one had the opportunity to scare someone by speaking suddenly.
interjection
An exclamation used by a member or many members of an audience, as at a stage play or sports game, to indicate derision or disapproval of what has just occurred.
