Definition of backmasking
plural backmaskings
: the encoding of audio materials (such as words conveying a secret message) on a recording in such a way that they can only be heard and understood when the recording is played backwards
- Of the new bills, Rhode Island's is unique in that it calls for several different labels, including one that says “parental warning: this record contains backmasking that makes a verbal statement when this program is played backwards” …
- —Richard Harrington, Washington Post, 14 Mar. 1990
