A rendition of the widely known sexual act known as "scissoring", which typically consists of two participants. However, when a third person daringly decides to join in, it is referred to as the "Tri-Sci", due to the positioning/layout of the three participants and their genitalia. This act can be performed by three females, two males and one female, or three males. Although many have attempted the Tri-Sci with two females and one male, it has proved to be an impossible task.
-Are you two scissoring?!?
-Yeah! wanna join in?
-I don't know if I'm flexible enough to pull off the Tri-Sci, but let's go for it!
by RICHvcl April 17, 2011
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Taking all three major branches of science (Biology, Chemistry, and Physics) at the same time in high school.
"I don't know which science I'll study in college, so I'll take tri sci to expand my options."
by ninjaraccoon19 December 9, 2013
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Science fiction is a genre of speculative fiction, typically dealing with imaginative concepts such as advanced science and technology, spaceflight, time travel, Farah's bullshit and extraterrestrial life.
All Farah blabbers about is sci-fi
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Sci-fi shortened form of Science Fiction.
A: Do you like to watch Sci-fi movie?
B: Yes, of course.
by Google assistant March 7, 2022
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A genre of movie which compasses both horror and science fiction elements.
Both "Alien" and "Predator" are classics of the sci-fri scene.
by Saturn BD March 12, 2017
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A blind faith in anything remotely scientific in nature. Sci-Bli is a blind acceptance that science provides answers to everything from the origin of the universe and life to the nature of consciousness. The Sci-Bli are willing to overlook the rigours of scientific method, in particular the need to prove a hypothesis using experiment and observation that may be replicated, and are predisposed to engage in the belittling of any idea or theory that does not conform with orthodox scientific belief, even if the idea or theory has a grounding in science, branding the authors of such work as 'heretics' in the same manner detractors of religious faiths have been in the past. Sci-Bli'ers can be seen to be rooted in science fiction and cling to notions that have absolutely no place in proven science, for example hyperspace, warp drives and star gates.
Though not without good reason, those who do not believe that Man has walked on the Moon are branded 'conspiracy theorists' or 'Moon-landing deniers' by any number of people who themselves, incapable of explaining how something that might have been achieved 50 years ago has proved impossible to replicate, are guilty of having a blind faith in science and deserving of the title 'Sci-Bli'.
by rippenburn December 16, 2020
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