rebuttal, the verb

Heard from a guy in the restaurant Gordon Biersch on 3/24/12: Then I rebuttaled with … This is the verbing rebuttal, instead of the verb rebut. The question is, how/why did it arise? First observation: there are a respectable number of occurrences of the verb (though it isn’t in the OED or other standard dictionaries). … Continue reading rebuttal, the verb