1 definition by Kassius Maximus
One who's sexual interests don't pertain to a single group of people or gender, and often change depending on current mood.
Man, that guy Miguel is a real Wild Card. He started off the night hitting on that hot chick, but ended it sandwiched between 2 guys at the gay bar. He's a real Wild Card.
by Kassius Maximus January 5, 2017