A cultural revolution Hookups began to become more frequent in the 1920s, with the upsurge of automobiles and novel entertainment, such as movie theaters. Instead of courting at home under a parents watchful eye, young adults left the home and were able to explore their sexuality more freely.

Where did the term hook up originate?

hookup (n.) also hook-up, connection, 1903, from verbal phrase hook up, which is attested from 1825 in reference to yarn; 1925 as establish a link with. The noun is from 1922 of radio sets, later of television broadcasts. Modern slang verbal sense of to meet for sex is attested by 2003.