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To pull off a awesome headshot (preferrably on a noob) as he is casually walking across the map. this is most effective in games suck as halo 3 cod4, and Gears of war
1) were you playing halo last night.

yeah, i kennedy'd a noob
by battousai427 April 19, 2009
To be fucked in the three major orifices, as in the quote from JFK that he never really had a woman unless he had her 3 ways.
He sure Kennedy'd her upstairs at the party last night.
by Rotb August 21, 2007
To be shot dead in your limo from a building in downtown Dallas.
JFK got kennedy'd in November of 1963.
by deemer December 05, 2006