A concept or state of mind meaning to be strange in the dearest of ways. One is queerdo simply by feeling queerdo.
A father uses the term 'Liza Minnelli' as a swear word. This father is queerdo.
Someone who is queer and being a weirdo at the same time.
That motherfoya is a major queerdo cuz he beats off to car magizines
A person who is strange and has strange habits, also a person who just stays to himself. A combination of weirdo and queer.
Or speaks when no one is speaking to him. An outcast you can say.
"That dude just sits there and stares at me all day. What a queerdo!"
Any excessively weird and/or creepy homosexual.
Do you see the way Jesse Ray is always stuntin' across the quad with his fur coat and girl pants? I don't have anything against gay people but that guy is a serious queerdo.