تعریف و معنی "swing both ways"در زبان انگلیسی

Jessica's parents were shocked when they discovered she swings both ways. However, they quickly realized that their love and support for her should n't be affected by her sexual orientation.

Mark was surprised to find out that his close friend, Alex, swings both ways. It did n't change their friendship, but it made Mark appreciate Alex's openness and authenticity.