Owwie, word choice problems are really frustrating. I bet he'll work past them, but in the meantime he's probably Not Safe For Radio.
They're probably minor, but extremely embarrassing. Pat Thurston had visited him and said that he was saying something and said "three" but put up two fingers and didn't notice that the action didn't match the word.
I wouldn't imagine that he'd let out with obscene invectives or anything.