hookup

noun3

1. •
   [before a noun] A connection.

   • The plumber came to fix the sewer hookup.
   • I need to buy some hookup wire.
2. •
   (slang) A brief sexual relationship or encounter.

   • He met his two most recent partners at bars, and expressed strong ambivalence and dislike of meeting partners online, but reported half a dozen additional hookups with partners met online.
3. •
   (slang) A sexual partner.

   • The predominant way of finding a hookup or sexual partner would be going online.