Definition of "uh" []

• Used to express hesitation or uncertainty. (interjection)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Ai haz had the pleshure of having bebbehs and sum tests maiself- iz educashunal to be on reseeving end of sum of dese treatments sumtimes- duz make u much more symp..uh, simp.. uh, unnerstanding of ur pashunts!"
• "uh bowt dat “soulforalleternity” ting …..uh…whel.. yew shure fur surten yew wanz da sole uv da mos ebil:evil:bengalboi in awl da wurl? et kums wiff awl da soles uv awl da poorlil kritturs keeled bai da ebil wun. williboi bee 10 nau an a berri, berri gud huntur – doze ayshun lepurrd kat jeans iz kwite straung inn hymn."
• "Yeah, uh, we were just kinda wonderin’, you know, if the public would, uh… like, want to know if some killer asteroid were, uh HYPOTHETICALLY going to like, you know, hit us any minute or something like that."