1.The unintentional killing of a plant, tree, flower, grass et al as a result of an omission or failure to perform an act when there is a duty to do so. 2.The killing of a plant without malice or premeditation. Not to be confused with herbicide.
Upon return from her vacation, Lauren was horrified to find that her cube foliage had become victims of involuntary plantslaughter while under the care of her Bestie.

Oh shit i forgot to water Dad's lawn when he was visiting Aunt Mary!!!! I will def be accused of involuntary plantslaughter.
by vikster2 March 29, 2011
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