Wordorigins.org

The Oxford English Dictionary has 363 words with first citations from 1964. In that year, mack daddies consorted with skanks and hos; Japan gave us both ninjas and yakuza; schlubs and dorks occupied the lower rungs of the social ladder; newbie programmers were tossing bad BASIC programs into the bit-bucket; and the frug was the coolest thing at the disco.