To be so startled/terrified that you shit yourself in such a way that your excrement hits the floor and burns a solid hole directly through it.

Used to indicate that a situation is/was exceptionally horrifying.

Similar to shit bricks
When I saw the murderer's mask, I shit a hole through the floor and ran.
by Xombifier October 5, 2014
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As in Putin descending on his coccyx and soiling his pants
putin-reportedly-took-a-big-fall-as-speculation-over-worsening-health-grows. When shit hit the floor
by statinguard December 3, 2022
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