Boo (verb)

1. To show disapproval or dissatisfaction by making a loud noise, usually by saying "boo" or by making a similar noise.
2. To show one's disapproval of something or someone by making a noise.

Origin:

The word boo comes from the old english word "boh" which is an expression of contempt or disapproval. it is used to show disapproval or dissatisfaction by making a loud noise, usually by saying "boo" or by making a similar noise.

Examples:

1. The audience booed the bad performance.
2. The crowd booed the political candidate at the rally.
3. The referee was booed by the crowd for making a bad call.
4. The singer was booed off the stage for lip syncing.
5. The audience booed the comedian for making offensive jokes.