Defines a bi-sexual person, usually but not exclusively defines a male. Primary sexual preference is irrelevant, the determining factor is that singular fact: if the person is willing to have sex with men and women, their door swings both ways.
Woah, I just found out Eddie's door swings both ways! This is great dirt! This explains all the time he spends over at Oscar's apartment!
by Gojai August 31, 2017