An either jokingly derogatory or just derogatory way of referring to a passing trans-person. A trans person passes when they are perceived by others as the gender they perceive themselves as . A passoid is different to a voicepassoid which is when your voice passes as the gender you identify with
person 1: Uhhhhh I'm feeling really bad about myself
passoid: Its okay! don't feel to negative
person1: shut up passoid you dont know the pain
A transperson who passes but doesn't think they do on account of body dysmorphia, perfectionism, fishing for compliments, or most likely some combination of all three.
Alicenever gets misgendered but she insists that she is a massive hon. Textbook BDD passoid.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.