What is squeaker slang for?

In slang, squeaker has several meanings depending on context. The most common slang meaning is a young person with a high-pitched voice, especially in gaming and online communities, where a squeaker refers to a young kid, often preteen, whose voice has not deepened and who talks in high squeaky voice on microphone, sometimes seen as annoying. In British slang, squeaker can mean a small child or infant who squeaks. In prison and crime slang, a squeaker is an informer or snitch who squeals to police, similar to squealer, meaning someone who informs. In sports, squeaker means a very close, narrow victory, as in they won a squeaker, meaning they barely won by small margin. In hunting slang, squeaker can refer to young animal that squeaks. In some contexts, squeaker means a narrow escape or close call. In drug slang, it is rarely used. In British rhyming slang, squeaker and speaker can refer to someone who talks a lot. Overall, most common modern slang use is gaming term for young kid with high voice, and second is informer or narrow win. The term comes from squeak plus er, meaning one who squeaks.