Tom Hanks swearing

The news media seem to be making a big deal out of Tom Hanks swearing in the voice of his character from his most recent film. Everybody is apologizing. I didn't see/hear it. What word did he use that caused such a bruhaha?

• "underpants"

• Was he drunk? Will he be announcing a stint at rehab soon?

• He dropped an F-bomb on Good Morning America. Let's see if the link I found works:

  http://p.nowthisnews.com/entry/216/

• Won't somebody PLEEEEEEEEASE think of the children?

• He seemed drunk off his ass on GMA