Main article: Hookup culture. Anonymous sex is a form of one-night stand or casual sex between people who have very little or no history with each other, often engaging in sexual activity on the same day of their meeting and usually never seeing each other again afterwards. Chicago: University of Chicago Press. Sex for life From virginity to Viagra, how sexuality changes throughout our lives. Polygamy Polyandry Polygyny. For the song, see Casual Sex song. 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 libertine views, the extreme of which is free love. Collegiate holidays and vacations, especially spring breaks, are times when undergraduates are more likely to purposely seek out casual sexual encounters and experiment with risky behaviors. A "hookup" colloquial American English is a casual sexual encounter involving physical pleasure without necessarily including emotional bonding or long-term commitment; it can range from kissing for example, making out to other sexual activities.