A deck of cards (usually an ordinary set of 52 or 54 playing cards) on which is printed the names and photos of individuals considered by the card printer to be important persons to commit to memory, to make it easier to find and capture them (or kill them).
The official military term for this is "personality identification playing cards".
For the Second Gulf War, Coalition troops were given personality identification playing cards with the names and pictures of Iraq's most wanted.
I could tell the most-wanted deck I got on E-bay wasn't authentic, because while Saddam Hussein was the Ace of Spades, Tariq Aziz was the Eight of Clubs.
An absolutely foolproof way to keep minors from viewing content deemed "too mature" for them to watch.
Billy: "So I was trying to watch some videos for an M rated game, and I ran into an age gate, so I put in my real birthday. SOMEHOW it managed to figure out that I am 12. CURSE YOU AGE GATE!!!"
Bill: "Fucking age gate! *quick scroll* THERE! I was born on January 1, 1904. Fuck you age gate."
A)
The Crud that collects under the keys in a keyboard. Usually more severe in the keyboards of programmers and webmasters as they tend to spend a lot of time at the the computer and thus eat at their desk. Mainly affecting IBM Model M (clicly) style boards.
B)
Can also be used to gross out Non-Techie people
A)
Bill: want to go to the club?
Bob: No, I've got to clean out my board chow, keys are starting to stick.
B)
Bill: Want to go out to get a bite?
Bob: No, i am just going to have some of my board chow/
Bill: Whats' that?
Bob: The food scraps that collect in my keyboard; Want some?
Bill: *GAG* *HURL* *GAG*