I stand corrected.
His last words were "I bear witness ..." then he was dropped.
Just prior to that though, in response to the heckeling, he made the comment I alluded to above.
I read the translation you linked to, but I disagree with it somewhat. Granted my Arabic is pretty tawdry, but the reference was not to their manhood. I'll try to find a transcript and look it over, but from listening to it that is what I got...
EDIT: I found a subtitled video from CNN:
Hanging video with CNN subtitles