1. To place undue blame on others
2. When a comedian blames a former audience for not getting a joke due to unsophistication, when actually it wasn't funny in the first place.
Etymology: Joe Klocek, a bitter, unfunny San Francisco comic (circa 2004)
"to Klocek" verb
"Don't try to Klocek this off on someone else, it was your screw-up."