Informal/Playful:
* "Boo! Did I scare you?" (used to playfully frighten someone)
* "I just saw a scary movie, and now I'm feeling a little boo-ed up." (meaning scared or frightened)
* "The kids were booing the villain in the play." (expressing disapproval)
Slang/Informal:
* "That new restaurant is totally boo-worthy." (meaning it's worth checking out)
* "I'm going to the bar to get boo-zy." (meaning to get drunk)
Other:
* "The crowd booed the referee's call." (showing strong disapproval)
* "The baby's first word was 'boo'." (a simple, common word for babies)
The meaning of "boo" can vary depending on the context. It's important to pay attention to the surrounding words and phrases to understand the intended meaning.