1. A gay
baby2. A child of gay parents
3. A person who looks like a mixture of two people of the same gender. Basically, it's like a look-a-like, except that you can't decide whether it looks more like one person or another. But if those two had a
baby, despite they're both being a man, it would look like that.
Person1:
Dude, I just found Alan Rickman and William
Shatner's gayby, by the
bar over there.
Person2: Oh, I totally see it.