Uncaught exceptions thrown by code will terminate the thread. Arithmetically undefined expressions invoke exceptions and crash the program, if uncaught. However, this leaves many off-by-one errors and buffer overflows uncaught. One is lost every round that Hooligan remains uncaught when the timer runs out. In the book, the madman gets caught, but in reality he is still uncaught. An uncaught block is considered a "drop". They manage to get the chinchilla and get home uncaught. In Major League Baseball, it is known as an uncaught third strike.