An effort that is both fruitless and futile

To be knocked unconscious, or in more extreme cases, killed by fruit, i.e. a coconut falling on your head or people throwing apples at you.

Derived from Mortal Kombat's 'FATALITY' finishes.

As opposed to being brutally honest, being fruitally honest adds a layer of humor to the honesty

When all the capabilities of producing fruit are present