Boo

Boo is an onomatopoeic word for a loud, startling sound, as an exclamation intended to scare, or as a call of derision (see booing).

Boo or BOO may also refer to:

Places

Boo (name), a list of people with the given name, nickname or surname
Betty Boo (born 1970), English singer, songwriter and pop rapper Alison Moira Clarkson
Gangsta Boo (born 1979), American rapper
Sabrian "Boo" Sledge, half of the American hip hop duo Boo & Gotti

Boo Radley, in the novel To Kill Mockingbird and its adaptations
Boo (character), a ghost character in the Mario series
Majin Boo, an anime and manga character in Dragon Ball
Boo, a human baby girl in the animated film Monsters, Inc.
Boo, a hamster belonging to Minsc in Baldur's Gate, and a character in Megatokyo
Boo, a character in the manga and anime Crayon Shin-chan
Boo! (comic strip), a character in the British comic The Dandy created by Andy Fanton
Boo, nickname of Carrie Black in Orange Is the New Black
Boo, in the Malaysian animated television series Boo & Me
Boo, a character from Monsters Inc

Boo! A Madea Halloween, a 2016 horror comedy film
Boo! (film), a 1932 comedy film
Boo (film), a 2005 horror film
B.O.O.: Bureau of Otherworldly Operations, an animated film slated for release in 2015
Boo! (TV series), a 2003 BBC children's television series
"Boo" (CSI: NY episode)
"Boo!" (a.k.a. I'm With Her), a 2004 episode of Frasier
"Boo" (Dark Angel), an episode of the television series Dark Angel

"Boo", a term of endearment
Boo FF, a Swedish football club in Boo, Stockholm
Boô, a Saxon cattle shed
Boo (programming language)
Boo, a dialect of the Central Teke language, spoken in Congo and the Democratic Republic of the Congo
Boo.com, a clothing company
The Boo (book), by Pat Conroy
Boo (dog) (born 2006)
.boo, a binary-to-text encoding system developed by Columbia University for its Kermit protocol