You can search with "modern japanese expressions" or "japanese buzzwords" or "japanese slang", etc. Here are some example URLs. Japanese slang: Many of them are still used especially among young generation. http://www.tofugu.com/2013/07/09/japanese-slang-introduction/ http://www.fluentu.com/japanese/blog/japanese-slang-words-phrases/ Buzzwords: These are usually popular only in each year. http://gakuran.com/top-50-japanese-buzzwords-of-2013/