"retarded" is possibly the most conspicuous example. The earliest example of this I can remember is https://en.wikipedia.org/wiki/Joey_Deacon#Blue_Peter_and_cu

"retarded" is possibly the most conspicuous example. The earliest example of this I can remember is https://en.wikipedia.org/wiki/Joey_Deacon#Blue_Peter_and_cultural_impact https://en.wikipedia.org/wiki/Joey_Deacon#Blue_Peter_and_cul... (showing my age abit there!)