What is the X in X-mas?
"unlicensed saloon," 1889 (in New York "Voice"), from speak + easy; so called from the practice of speaking quietly about such a place in public, or when inside it, so as not to alert the police and neighbors. The word gained wide currency in U.S. during Prohibition (1920-1932). In early 19c. Irish and British dialect, a speak softly shop meant "smuggler's den."
spaced-out: A couple of spazzed out bikers (1980s+)
Simple array-oriented language with numerical integration and differentiation, graphical output, aimed at statistical analysis.
["Speakeasy", S. Cohen, SIGPLAN Notices 9(4), (Apr 1974)].
["Speakeasy-3 Reference Manual", S. Cohen et al. 1976].