1. n. (military) acronym for "bad conduct discharge" as defined by the Uniform
Code of Military
Justice for US military servicemen, also known unofficially as the "Big Chicken
Dinner" as slang for the same discharge.
2. n. acronym for "buoyancy control device" used in scuba diving, a vest that can be inflated or deflated while underwater to control a diver's depth.
1. "Corporal Smith bashed Lieutenant Jones in the fucking pie hole
right in front of the general.
Stupid shitbird is gonna get his BCD for sure."
2. "Shit, my god-damn BCD has a hole in it. If I dive with this POS on, I'll sink
right to the bottom."