Some people say agnostics can't make up their mind or do their research on what to believe. I did my research on different religions and philosphical beliefs, and I made up my mind. And now I'm an agnostic. Deal with it.
Oh, and agnosticism isn't weak atheism. Atheism is believing that there is no God. You can be an agnostic athiest - one who doesn't believe in God. You can an agnostic deist - one who believes in a higher power. What you believe is different from what you know.
Atheist: There is no a great unicorn.
Agnostic: naah, it doesn't matter.
"Agnostic what? agnostic christian, agnostic atheist, agnostic muslim, or what? Please tell."
Agnostic: Not exactly, since there is no actual proof that God really does exist.
Christian: You should believe in God, otherwise you will go to hell where you will burn forever.
Atheist (to Christian): Of course he's not going to hell, because hell doesn't exist just like God doesn't exist.
Christian: Of course God exists, you stupid Atheist! You'll burn in hell for saying he doesn't exist!
Atheist: No, he doesn't exist. Open your eyes, you ignorant brainwashed Christian sheep.
Christian: Shut up you liberal dumbass Atheist faggot!
Agnostic: I really wish I wasn't on this planet right now.