look up any word, like blumpkin:

1 definition by benillaice

An urban legend that has been going around for at least 15-20 years. g13 is supposed to be a super-pot the government created for research. Renewed interest was brought in because of the movie American Beauty and how g13 is used in it.
In American Beauty, Lester (Kevin Spacey) buys g13 from his neighbor's son.
by benillaice August 04, 2004