When playing computerized trivia, such as Buzztime Trivia, at a bar, one enters into an unspoken competition with another bar patron in order to appear both intelligent and attractive. At the end of the trivia game, one of the trivia players may, if feeling particularly ballsy, approach the other player to buy him/her a drink or procure contact information.
Maggie: Emma, come play pool with me and James!
Emma: After this game. What is the capital of Kansas? TrviaBob is going down!
Maggie: Oh, Trivia Sex....