Definition of 420 in English:

420

noun fɔːˈtwɛntifɔrˈtwɛn(t)i

US informal

1usually as modifier Used to refer to cannabis or to the act of smoking cannabis.
a 420-friendly hotel
we already got the obligatory 420 joke out of the way
1. 1.1 20th April (abbreviated 4/20 in the US), considered as an occasion for smoking or celebrating the smoking of cannabis.
  thousands of cannabis smokers converged on Hippie Hill for the annual 420 celebration
  Happy 420!

Origin

1970s: apparently coined as a code word by high school students in San Rafael, California in 1971 with reference to 4.20 p.m., the time at which they regularly met to try to locate an unattended plot of cannabis plants.

Definition of 420 in US English:

420

nounfôrˈtwen(t)ēfɔrˈtwɛn(t)i

US informal

1usually as modifier Used to refer to marijuana or to the act of smoking marijuana.
a 420-friendly hotel
we already got the obligatory 420 joke out of the way
1. 1.1 April 20th (4/20), considered as an occasion for smoking or celebrating the smoking of marijuana.
  thousands of marijuana smokers converged on Hippie Hill for the annual 420 celebration
  Happy 420!

词汇	420
释义	Definition of 420 in English: 420 noun fɔːˈtwɛntifɔrˈtwɛn(t)i US informal 1usually as modifier Used to refer to cannabis or to the act of smoking cannabis. a 420-friendly hotel we already got the obligatory 420 joke out of the way 1.1 20th April (abbreviated 4/20 in the US), considered as an occasion for smoking or celebrating the smoking of cannabis. thousands of cannabis smokers converged on Hippie Hill for the annual 420 celebration Happy 420! Origin 1970s: apparently coined as a code word by high school students in San Rafael, California in 1971 with reference to 4.20 p.m., the time at which they regularly met to try to locate an unattended plot of cannabis plants. Definition of 420 in US English: 420 nounfôrˈtwen(t)ēfɔrˈtwɛn(t)i US informal 1usually as modifier Used to refer to marijuana or to the act of smoking marijuana. a 420-friendly hotel we already got the obligatory 420 joke out of the way 1.1 April 20th (4/20), considered as an occasion for smoking or celebrating the smoking of marijuana. thousands of marijuana smokers converged on Hippie Hill for the annual 420 celebration Happy 420! Origin 1970s: apparently coined as a code word by high school students in San Rafael, California in 1971 with reference to 4.20 p.m., the time at which they regularly met to try to locate an unattended plot of cannabis plants.
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