Profanity was slang language, such as a curse word or swear word, or a physical expression, such as "the finger", that was intended to emphasize derision, curses, or other emotional outbursts that may also be otherwise recognized as colorful metaphors. Although such usages were uncommon in the 23rd and 24th centuries, they were an essential part of 20th century conversation, seen in the novels of "giants" such as Jacqueline Susann and Harold Robbins. When the crew of the USS Enterprise time trav