sp00fball
When you type something, like a password or command, into the wrong window, and said window is a form of mass communication, such as IRC or Twitter.
<bob1> g3rry1982
<jack> sp00fball!
<goramm> sp00fball!
<bob1> god damnit, DON'T YOU DARE LOGIN WITH THAT
<jack> sp00fball!
<goramm> sp00fball!
<bob1> god damnit, DON'T YOU DARE LOGIN WITH THAT