Person A: Dude, you'll never guess who I saw on the street today. T'Pau from Enterprise. For realsies!
Person B: No way! You have to hit this, brother.
(Sci-five ensues)
By Mair
No Sci-fi
Also used to say “No Lying.” Often used when you are questioning out someone’s statement that is untrue. Calling “Sci-fi” is to call someone’s statement as “Lying”