Bilk is a term commonly used in criminal law to describe actions where a person intentionally defrauds or cheats another individual. This can range from small-scale personal scams to large corporate fraud. In legal terms, "bilking" someone is a form of theft or fraud and may result in criminal charges.
Additionally, the word has been widely used in literature and films to portray deceptive characters or scenarios, often highlighting the moral consequences of dishonesty and fraud.