Noun boo has 1 sense
  1. boo, hoot, Bronx cheer, hiss, raspberry, razzing, snort, bird - a cry or noise made to express displeasure or contempt
    --1 is a kind of cry, outcry, call, yell, shout, vociferation
    Derived form: verb boo1
,Verb boo has 1 sense
  1. boo, hiss - show displeasure, as after a performance or speech
    --1 is one way to condemn
    Antonyms: applaud, clap, spat, acclaim
    Derived form: noun boo1
    Sample sentences:
    Somebody ----s
    Somebody ----s somebody
    Somebody ----s PP