Pretty sure it's older than that I recalled seeing it in this book, which Amazon gives a date of 1983 on (fits well enough with when I recall coming across the book in a public library): http://www.amazon.com/Hackers-Dictionary-Guide-Computer-Wiza...

Also, it's in the 1.5.0 file: http://jargon-file.org/archive/jargon-1.5.0.dos.txt