Not in the Designer, short of a custom module.
It's on my list to investigate the apparent regression here, since nobody was complaining about this before, but no estimate on timeline.
The previous version we were running (8.1.28) didn't have this issue, but it became a thing after updating to 8.1.38.
The previous version had a ~2sec delay before the tooltip popped up, and it was offset by several pixels to avoid covering the cursor.
The latest version tooltip pops up immedietly and right on top of the cursor.
Hope this helps
I am finally seeing what all the fuss is about since installing 8.1.41. Holy moly, tooltips have 0 delay now and it's almost impossible to click on some things because they cover some buttons 
I'll have to resort to running @PGriffith 's script every time I open a designer at this stage
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@justinedwards.jle has a way to run a script on designer start up, so maybe he can adapt this?
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It's simple, but it's current form does require using a client tag:
Designer initialization script example
Hmmm. Maybe I need to add something for this to my Integration Toolkit. (Non-project-specific designer startup event script.)
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