An atheist who is so committed to his own doctrine of the non existence of God that he believes he holds to no doctrine at all and has thus been consumed by his actual philosophical dogma, cause, identity, and world view.
An atheist who holds his position by falsely claiming he has no position.
An atheist who splits not only semantically thin hair but thin air.
Evangelical atheists love to redefine the traditional established definition of atheism.
If evangelical atheists believed in nothing then they would have nothing to say in the first place.