This document discusses slang, which are informal words and expressions used more commonly in spoken language by particular groups. There are general slangs used by all people that may be non-standard or outdated terms. There is also special slang called jargon that is used within social or professional groups. Examples of school slang are provided that discuss classes, studying, and students. The document also notes how some slang terms have become more mainstream through distortions in pronunciation or becoming more colloquial.