Boo has many meanings, including:

Look up boo in Wiktionary, the free dictionary.

In linguistics: Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ...

• An exclamation in English used to evoke or suggest surprise, typically associated with ghosts.
• A jeer, used to express one's distaste of a performance or action, especially in entertainment

In entertainment: Exclamation may refer to one of the following. ... Booing is the act of showing displeasure for someone or something, generally an entertainer, by loudly yelling boo (holding the oo sound) or making other noises of disparagement, such as animal noises, including the sound of a donkey and hissing. ...

• Boo! (1932 film), 1932 comedy short film
• Boo! (TV series), a BBC children's television programme
• Boo! (Frasier episode), a 2004 episode of the television series Frasier
• Boo (Nintendo), a character from the Mario video game series
• Boo (Monsters, Inc.), a character from the computer-animated film Monsters, Inc.
• Boo!, a South African pop group
• Boo is the nickname of Arthur Radley, a character in the novel To Kill a Mockingbird.
• Boo (2005 film), a 2005 low budget horror film
• Boo (Dragon Ball) (also known as "Buu"), a character in the manga Dragon Ball/Dragon Ball Z and the anime Dragon Ball Z.
• A minor character in Megatokyo; see Minor characters of Megatokyo
• A male rap artist, member of Young Money

In computers: Boo! is a 1932 comedy/short film by Universal Pictures, directed and written by Albert DeMond. ... Boo! is a childrens television programme shown in the UK on the CBeebies channel, and occasionally on BBC One or BBC Two. ... List of Frasier episodes (Season 11) Boo! is the sixteenth episode from the eleventh season of Frasier. ... It has been suggested that this article or section be merged into List of Mario series enemies. ... Boo Boo is a character in the Pixar movie Monsters Inc. ... To Kill a Mockingbird is a Southern Gothic bildungsroman novel by Harper Lee. ... Boo (Buu in the English anime and video games) is a fictional character in the manga Dragon Ball/Dragon Ball Z and the anime Dragon Ball Z and Dragon Ball GT. Boo in his original form Boo is the most powerful enemy faced by the Z Fighters in the series. ... Megatokyo is a webcomic created by Fred Gallagher and Rodney Caston, debuting on August 14, 2000,[1] and then written and illustrated solely by Gallagher as of July 17, 2002. ... In Megatokyo, many characters and groups exist outside what makes up the bulk of the main plot. ... This article is being considered for deletion in accordance with Wikipedias deletion policy. ...

• Boo (programming language), an object-oriented, statically typed programming language for the Common Language Infrastructure.
• boo.com, an infamous dot-com clothing company which went bust.
• The pet Miniature Giant Space Hamster of Minsc in the Baldur's Gate role-playing computer game series.

Other meanings: Boo is an object oriented, statically typed programming language developed starting in 2003, which seeks to make use of the Common Language Infrastructure support for Unicode, internationalization and web style applications, while using a Python-inspired syntax and a special focus on language and compiler extensibility. ... Visual overview of the Common Language Infrastructure (CLI) The Common Language Infrastructure (CLI) is an open specification developed by Microsoft that describes the executable code and runtime environment that form the core of the Microsoft . ... Boo. ... Dot-com (also dotcom or redundantly dot. ... Giant space hamsters are fictional creatures originating in the Spelljammer campaign setting for the Dungeons and Dragons roleplaying game. ... Minsc (Pronounced Minsk) is a prominent fictional character in the Baldurs Gate series of Dungeons & Dragons computer role-playing games created by Bioware. ... Title screen of Baldurs Gate, the first game in the series. ...

• Boötes, standard astronomical abbreviation
• Boo is the nickname for the galaxy IC 1029.
• An alternate spelling for Boô (a Saxon cattle shed).
• Yelling "boo!" at someone and surprising them is a joke.

Slang: Boötes (IPA: ), a name deriving from Egypt, is one of the 88 modern constellations and was also one of the 48 constellations listed by Ptolemy. ... Hekmans boô in Schoonebeek. ...

• boyfriend/girlfriend, a slang term, usually considered to be Ebonics
• Elementary school-aged child, a nickname perhaps derived from a character in the film Monsters, Inc.
• Marijuana, slang term used by jazz musicians in the 1940s and 50s
• look, as part of the Cambodian (and possibly British) slang term "to take a boo"

Engineering A boyfriend is a male partner in a non-marital romantic relationship, or a male friend. ... This article includes a list of works cited or a list of external links, but its sources remain unclear because it lacks in-text citations. ... Ebonics is a term coined, originally intended and sometimes used for the language of all people of African ancestry, or for that of Black North American and West African people, emphasizing the African roots of the former; since 1996 it has been largely used to refer to African American Vernacular... Monsters, Inc. ... A Cannabis sativa plant The drug cannabis, also called marijuana, is produced from parts of the cannabis plant, primarily the cured flowers and gathered trichomes of the female plant. ... LOOK, established at Nevers, France in 1951, was originally a ski equipment manufacturer. ...

• Build own operate

BOO is also an acronym and may refer to:

• Base of operations
• Better Off Out, a campaign for United Kingdom withdrawal from the European Union
• Brandeis Orthodox Organization
• Build-Own-Operate

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