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Global slang
Affirmative; I understand; message received (from CB radio/police code)
Safe to use?
Usually safest with people who already understand the context.
Tone
Casual and context-dependent.
Region
Global
Formality
Informal.
Context Decoder
Check what it means in context, how it sounds and whether it is safe to use.
10-4 means Affirmative; I understand; message received (from CB radio/police code). It is best read as global slang associated with Global.
"10-4" means Affirmative; I understand; message received (from CB radio/police code). In Global, the nuance may be more specific.
Casual and context-dependent.
Usually safest with people who already understand the context.
Context-dependent
The end; all done (from journalism code for the end of a story)
At this point — signaling a current conclusion or how things stand now; sometimes "answ...
Direct Message; to send a private message to someone on social media
Direct Message; to send a private message (also common in UK)
A tag added to the end of sentences to turn them into a question, seek agreement, or ad...
Like; sort of. Used exactly like the English "like" as a filler word
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SlangWatch entries are maintained by the SlangWatch Editorial Team using submitted examples, regional labels, tags, and ongoing reader corrections. We avoid claiming a precise origin or cultural pathway unless the entry has meaningful supporting data.