A part of speech or speeches, persay: though throughout history injecting uh... into your speech, to buy time while your brain processed the upcoming verbal oratory, was thought to be a signal of the speakers inability to be "clear headed". In the future it
will probably become perfecctly acceptable because of Barack Obama'
s repeated use of UH... Because of his popularity, UH...
will be even more
popular than "yaknowwhatimsayin" . It may now display a slow, thoughtful, deliberate train of thought.