420(redirected from four-twenty)
A term referring to the use of marijuana. It can also refer specifically to such use on the date April 20 (4/20) or the time 4:20. The origin of the term is uncertain. Whoa, look at all that smoke—there's some 420 action going on in here! Anybody got some weed so we can celebrate 4/20 the right way?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.