Interjection
(Internet slang) Used to sardonically counter or dismiss an older person (typically a baby boomer) as lacking understanding of the circumstances, priorities, or culture of a younger generation, especially by a millennial or zoomer.
(Internet slang) Used to facetiously suggest that someone is old, boring, or out-of-touch.
OK, Boomer
Alternative form of OK, boomer
A University of Oklahoma professor is under fire for using the N-word in class, comparing it to the insult "OK, Boomer." Source: Internet
In addition to the label “boomer,” more recently came the expression “OK, Boomer.” Source: Internet
"Some critics insist it's ("OK, Boomer") an ageist slur". Source: Internet