Alec Baldwin is on the Twitter attack, claiming he did NOT call a reporter a "c**ksucking f*g" earlier today ... he called him a "c**ksucking fathead."
Baldwin wrote, "Acoustic analysis proves the word is fathead. Fathead ... Anti-gay slurs are wrong. They not only offend, but threaten hard fought tolerance of LGBT rights."
Watch the video and decide for yourself.
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