The term malaphor, a combination of metaphor and malaprop, was coined in 1976 by Lawrence Harrison, a senior executive in the State Department.
Harrison found gems in endless bureaucratic meetings, such as he said it off the top of his cuff or don't rock the trough.
Author David Hatfield has been collecting malaphors for over thirty years.
He Smokes like a Fish and Other Malaphors (Unintentional Idiom and Word Blends) is his offering to language enthusiasts everywhe.