(intransitive) To shout extended boos derisively. / (transitive) To shout extended boos at, as a form of derision.

(US, Canada, African-American Vernacular, slang) A close acquaintance or significant other.

(slang) Cannabis.

(now rare, Northern England) To make a sound characteristic of cattle; to moo.

A tail feather from an ostrich.

A locality in Nacka, Stockholm, central Sweden.

(linguistics) The Boko language.

plural of boo

Third-person singular simple present indicative form of boo

A disapproving exclamation by a member of an audience.