From the site, Extreme Tech:

[Wilson Gray]

"Now I’m the one _humming_ and hawing."

New to me. I've know only "hemming...," heretofore, but GB has the -u-
variant from at least 1829. That takes it out of the realm of
eggcornage, I reckon.

--
-Wilson
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All say, "How hard it is that we have to die!"---a strange complaint
to come from the mouths of people who have had to live.
-Mark Twain

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