Slang tagged with code

The basics; an introduction to a topic or concept.

Affirmative; I understand; message received (from CB radio/police code).

Outlaw; anarchy (often associated with biker/outlaw culture).

ACAB (All Cops Are Bastards), where the numbers correspond to the letters in the alphabet.

I Love You (based on the number of letters in each word).

The end; all done (from journalism code for the end of a story).

Clueless; confused; not present (derived from the HTTP error code "Not Found").

To get rid of; reject; cancel an order; to remove a customer (from service industry code).

Emergency services number, used to denote extreme urgency or crisis.