Top Definition
When one has not had sleep for so many hours that one begins to nod off and then abruptly wake up repeatedly. This motion causes one's head/neck to look similar to JFK's when he was assassinated.
Man, he stayed up for 32 hours straight. Now he's doing the JFK.
#bobbing #groggy #falling asleep #jfk'ing #kennedy
by BlueBandit November 25, 2010
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