Topics: Casual sex - Wikipedia
Casual sex is sexual activity that takes places outside a romantic relationship and implies an absence of commitment, emotional attachment, or familiarity between sexual partners.   Examples are sexual activity while casually dating , one-night stands , extramarital sex , prostitution , or swinging.
Attitudes to casual sex range from conservative and religious views, the extreme of which may result in imprisonment or even capital punishment for sexual relations outside heterosexual marriage, to liberal or libertarian views, the extreme of which is free love. [ citation needed ]
In the United States in the 1920s, " petting parties ", where petting ("making out" or foreplay) was the main attraction, became a popular part of the flapper lifestyle.