Me, a few minutes ago: "is it Mythbusters? I bet it's Mythbusters. Mythbusters did this once."
it's not mythbusters
clicks play to enjoy a new thing
Ooooohhhhh fuck yeah that's the stuff.
Thanks for the dopamine hit.
It depends on the force being applied and how still the fluid is still, but it's certainly plausible. Think of oobleck (cornstarch and water). Hitting with enough speed and force, the surface will act like a solid
Braniac, a British show kinda like mythbusters, filled a pool with custard and walked over it.