From a 2006 episode of the tv series Psych, “Death is in the Air”: Is she dead? Shawn: As a bag of rocks. Gus: That’s “dumb as a bag of rocks”. (Or “dead as a rock/stone”. But not part of each.) This idiom blend seems to be a genuine invention of Psych‘s writers. No other … Continue reading Data points: idiom blends 9/24/11