The term originates from the movie Black Hawk Down, where a helicopter drops a Delta Force team to take down enemies. Black Cock Down is when you take down a girl with your cock. You would basically replace "I'd tap that" with "I'd BCD that"

Behind Closed Doors

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.

Binary coded decimal. A numbering system where each digit is represented with 4 bits.

BCD - Blue Creamy Discharge. When a woman gots issues down in the danger zone, a blue creamy discharge can form and start to drip out. Although there is no cure for BCD, it is more closely related to chlymaida, which has a cure through medicine.

Acronym pertaining to the 4 piece power pop group "Big City Dreams." Their "jams" are known to induce an overwhelming sense of "rock" to flow through the veins, as well as involuntarily drop the undergarments of the female sex.

hannah, leah, and maddie.