Slang has always been around, since we first invented talking.
in the 70's man
there popular ?
No, biflexual is a slang term. Slang terms generally do not appear in standard dictionaries until they become popular enough to be more than a passing phase.
2000
Cancer is not popular, and it has been around since we have.
it became popular in 2009
1999
1965
1920's
Dangg was very popular in 1996. (:
Words can shift from slang to formal or vice versa due to changes in society, culture, and generational preferences. Slang terms may become formalized as they gain widespread acceptance, while formal words can become slang through informal usage among specific social groups or through popular media influence. Additionally, language evolution, technological advancements, and global trends can also impact the transformation of words between slang and formal language.
1966