A fork of Rural Dictionary
To high five someone whilst affecting the Vulcan Live Long and Prosper hand.
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)
When you high-five someone to acknowledge the awesomeness of science.
When we watched a TV show about space, my son was so excited that he gave me a sci-five.
Similar to a High Five But when you cannot physically see the person but yet feel the need to high five them. A virtual high five
Dudes on two sides of a room seperated by a wall. Dude 1: (PHHHFFF) Dude, I just Cropdusted my side of the room Dude 2: Nice, Sci-Five!