Top Definition
To be knocked unconscious, or in more extreme cases, killed by smoothies, i.e. people throwing apple-smoothies at you.

Derived from Mortal Kombat's 'FATALITY' finishes.
Nici: Hey, did you hear about davids teacher the other night?

Wolfi: No bro', what happened?

Nici: He gone hit on the head by a smoothie, knocked him clean out!

Wolfi: K.O.! Smoothality!
by Ziwo December 02, 2011

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