Top definition
lying on a grassy knoll with your boyfriend or girlfriend, preferably while watching fireworks.

also, the term can be applied to semi-public makeout sessions while lying on said grassy knoll.
"Dude, we were JFKing it all night on the 4th."
by vegancitygirl August 27, 2010
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Jul 23 Word of the Day
A tourist to sub-orbital or orbital space, through commercial space flight programs.
Jeff Bezos and Richard Branson alongside their crew became the first astrotourists, while visiting sub-orbital space in July 2021
by AxonL July 20, 2021
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2
When you are so tired your head falls violently rearward, as if you were just shot in the head.
"Damn Jeff, are you allright?"
"Yeah man, I'm so tired, just keep JFK'ing"
by KGriz November 20, 2016
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3
the act of splattering all over her while she screams and tries to get out of the car.
Brian likes JFK-ing girls on the 1st date, thats how he landed Danielle.
by JFK-ing around January 14, 2012
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