When one has meaningless sex; sex with no seriousness; just for fun
My girl and I are going to funfuck after the movie.
by jcray August 01, 2013
On a pornography set, a Fun-Fuck is when adult actors decided to have sex 'for fun' despite the fact that the cameras are off or the crew is otherwise not filming them.
Save your pussy baby,' said the director to the talent, who was fun-fucking her favourite crew member on the couch. 'You gotta a lot more fucking to do before we're done for the day.
by JacktheDicker May 16, 2011