I have autohide enabled for my dock and it seems to be a feature (at least in OS X 10.11.6) that, when I drag my mouse to the bottom of the screen when on a full-screened program, the dock will not display until I have attempted to drag the mouse down at least another time.
This problem does not occur when I am not on a full-screened program; the dock displays instantly.
I'd like my Mac to have the functionality of displaying the dock as if I was not ever in full screen mode.
Edit: If it is important, I use HyperDock. A change to this also would be sufficient for me; I have a license.
Best Answer
Completely remove or minimize HyperDock delay
How to auto hide the dock and remove its delay on the Mac
==UPDATED CODES==
To restore the default behavior, enter:
defaults delete com.apple.Dock autohide-delay && killall Dock
If you don't want to remove the delay altogether, but just want to shorten it, you can play around with the number after the -float option. For me, this is a good fit: