www.alphadictionary.com

None of you young pups will know this word. It was rampant in the 1970s when recordings of Nixon's conversations in the White House were filled with "expletive deleted". Originally it meant "serving to fill out". It has an ancient beginning and it would be a shame to see it pass into oblivion.

I was taught an expletive was a part of speech, not necessarily a dirty word. Hey! Stop! Don't!