Abbreviations

CAG: Commander, Air Group. The senior pilot
CAP: Combat Air Patrol
CBDR: Constant Bearing, Decreasing Range. A collision course
CO: Commanding Officer

ECO: Electronic Countermeasures Officer

XO: Executive Officer

Military Jargon

Actual: the commanding officer

knuckle dragger: mechanic

snipe: engineer

Other Colloquialisms

toaster: deragatory term for the Cylons

skin job: deragatory term specifically for the humanoid Cylons. Derived from the movie "Blade Runner"

BSG Specific Terms

chamalla: hallucinogenic plant that's used in religious ceremonies and medical treatments
cubit: unit of currency
dradis: Colonial equivilant of radar