Meaning

• (sometimes attributive) A connection.

  "I need to buy some hookup wire."

• 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."

• A sexual partner.

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