10-4 is an affirmative signal: it means “OK.” The ten-codes are credited to Illinois State Police Communications Director Charles Hopper who created them between 1937–40 for use in radio communications among cops. Ten-Four Day ~ for decades, Oct 4 has been a day to salute radio operators.
But unless you're familiar with the history of radio, the origins of 10-4—meaning “Message received” or “OK”—may not seem so obvious. As Dictionary.com reports, 10-4 is part of a collection of “ten-codes” developed by Illinois State Police communications director Charles Hopper in the late 1930s.
https://www.urbandictionary.com › ... 10-4. 10-4 means "OK," "understood," and "affirmative." Commonly known as CB radio lingo, originating from the. need for brevity in radio transmission.
If you did want to end the conversation, you would say, “10-4, out.” This means you understand what they said and you're getting off of the radio or leaving. You never actually say “over and out” if you're using a proper CB channel. You can totally use it casually, though!
10-3 Stop Transmitting. 10-4 Acknowledgement. 10-5 Relay. 10-6 Busy Stand-By. 10-7 Out Of Service.
10-2: Receiving well (I can hear you). 10-3: Stop transmitting (Shut up). 10-4: Affirmative/I agree. 10-5: Relay message (Pass it on).
10-9 Repeat last transmission. 10-10 Off duty. 10-10A Off duty at home. 10-11 Identify this frequency. 10-12 Visitors are present (be discrete).
Ten-codes, especially "10-4" (meaning "understood") first reached public recognition in the mid- to late-1950s through the popular television series Highway Patrol, with Broderick Crawford. Crawford would reach into his patrol car to use the microphone to answer a call and precede his response with "10-4".
"Rubber Duck" – The first vehicle in a convoy. "Rubbernecker" – Vehicles that further slow down or impede already congested traffic by rotating their heads 180 degrees to view the accident or traffic incident and not paying attention to the road ahead.
The slang expression 420 originated in California in the 1970's when students would meet outside their school at 4:20 p.m. and smoke weed. In contemporary culture 420 refers to April 20 when at 4:20 p.m. pot smokers light up in celebration of marijuana use. Teenagers often use 420 as a replacement word for weed.
"Directory assistance" came to be known as "Information," and by the early 1980s, 411 (usually pronounced "four-one-one") was being used as a slang term for just that—information—and usually in the phrase "give me the 411 (on)."
The term originates from the “10-12” police code, which means to standby or stay. What does it mean? 12 is slang for cops, police, or officers. It might be used in a secretive or berating manner.
10-6: Busy, stand by. 10-7: Out of service. 10-8: In service. 10-9: Repeat Message. 10-10: Transmission completed, standing by.
According to the book Angel Numbers, by Kyle Gray, when you see 10:10 on a clock or elsewhere, it means “You are on the cusp of something miraculous. Trust that God and angels are one and are with you now.”
10 means "Perfect." The number 10 is often used online and in face-to-face chat to say that something is perfect (i.e., on a scale of one to ten it rates as ten). In general chat, 10 out of 10 (10/10) is often awarded to very desirable people.
If you hear a truck driver say “10-20” on their CB radio, it's just another way to say “Your current location.”
10-100 Need to go to Bathroom. Also, remember that the code 10-4 only means "message received". If you want to say "yes", use "affirmative".
Have you ever heard someone ask, “What's your 20?” The term refers to your location. It comes from “10–20” and is part of the Ten Code used by CB radioers, who borrowed and adapted it from the police and emergency services.
“Breaker breaker 1-9, anyone got a copy?” This is a trucker saying that is widely used commonly as a courtesy call for the truckers to get access to the CB radio Channel. The “1-9” refers to channel 19 on the CB radio, which is the most popular channel.
To indicate a message had been heard and understood—that is, received—a service-person would answer Roger, later expanded to Roger that, with that referring to the message. In military slang, the phrase Roger wilco conveyed the recipient received the message and will comply with its orders, shortened to wilco.
Code 5: Shelter in Place
Unsafe situation.
There are four status codes for a motor vehicle, as defined by ENatis are: Code 1 – New. New vehicles delivered/sold by a dealer to the first owner. Code 2 – Second-Hand. Used/pre owned vehicles with one or more previous owners/registrations.