Galactigasm 

The almost orgasmic feeling one has after watching an exciting episode of Battlestar Galactica.

Kevin could not sustain a galactigasm after Adama's brilliant handling of the Cylon threat.

Galactigasm by Dane Roberts December 11, 2006

Galactigasm 

When something on Battlestar: Galactica gives you nerdgasm.

Person (1): dude did you see what Adama just did? He just dropped the Galactica and jummped!

Person(2):"Galactigasm"

Galactigasm by Mr. Vincent Boombotz March 25, 2009