"No shit" in latin. This term fulfills the extreme need in academic discourse for a less noxious alternative to No shit
No shit Sherlock Captain Obvious
Thank you Captain Obvious. Since academic discourse often favors stilted, unclear, and symbolically embellished phrasing, latinates -- correct or incorrect -- really do the trick. So stercus nullum fulfills both roles -- viz., provides appropriately pompous and stilted way to say no shit on occasions where the precise meaning and impact of
no shit Sherlock is called for.