I found something interesting with regard to this (by accident).
I triggered this via 'ps -aux| grep sudo' (repeatedly but only once per terminal).
I also noticed...graphical corruption which would be either against the background OR possibly polybar. I'll look some more.
Edit: Doesn't appear to be polybar, since killing polybar and grepping sudo still causes the issue. I have a couple of other ideas...will test real quick.
Pretty sure it's the powerline setup for oh-my-zsh. I haven't poked around, but if I invoke /bin/bash before sudo, the problem doesn't occur. Being as I really don't know much about powerline, I'll stop there.
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