For example, editor first appeared in 1649. 1776 brought us killjoy and practical joke. In 1964, gun control, zip-code, and skinny-dip were added to the lexicon. 1982 gave us barista, domain name, and couch potato. And in 2014, we added manspreading.
Pro tip: It's especially fun to look up words that were introduced in the year you were born!