Boo! (2025)

: Use a short, sharp, explosive sound. A long "Booooooo" is spooky; a quick "BOO!" is a heart-stopper. 2. The Boo Programming Language

: Don't jump out the second you see them. Wait until they are at their closest point or just as they turn away from you. : Use a short, sharp, explosive sound

A guide to Boo's metaprogramming and extensibility features? : Use a short