Ages ago I recall hearing in epidemiology class about the regular weekend outbreaks of bagel cutting injuries in NYC. From the sound of this, "avocado hand" may be overtaking it.
" . . . Doctors in the U.K. have apparently dubbed the injuries 'avocado hand.' It seems that avocado hand is so commonplace, the British Association of Plastic, Reconstructive and Aesthetic Surgeons wants to warn people about the safety risk, with one doctor suggesting a safety label to be placed on avocados. . ."