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Global slang
Code for cannabis/marijuana (originally relating to the time 4:20 PM)
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.
420 means Code for cannabis/marijuana (originally relating to the time 4:20 PM). It is best read as global slang associated with Global.
"420" means Code for cannabis/marijuana (originally relating to the time 4:20 PM). In Global, the nuance may be more specific.
Casual and context-dependent.
Usually safest with people who already understand the context.
Context-dependent
Outlaw; anarchy (often associated with biker/outlaw culture).
ACAB (All Cops Are Bastards), where the numbers correspond to the letters in the alphabet
Code for cannabis oil or "dabs" (the number 710 spells "OIL" when inverted)
Teen aesthetic with scrunchies, hydro flasks, and casual preppy style
Ignored or left on read — your message or approach went into thin air
'I can't lie' — prefaces an honest opinion or admission
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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.