Possibly hemming, hawing, or hesitating? Please let me take this opportunity to say welcome to you, des, BeingCJ, and several others whom I have missed. 'Twasn't an oversight, it's been a matter of constraints, not the least of which is time. My apologies nonetheless.
embolalia is probably the correct word, pathologically speaking. my research shows that the ToastmastersŪ call these "word whiskers" (heaven only knows why) and earn you a 'ding' or a 'buzz'. and is it possible that they are included in the term "cluttering" (as in cluttering up your speech, and to suggest stuttering) in the UK?
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