When engineering students at Embry-Riddle don't actually learn the material; they just retain it long enough to pass the exams and get the grade, then proceed to purge it from their brain. Thus they go into the field with a degree, but actually know nothing.

when you're hungover as shit after a spending a night drunk as a skunk

The type of flush that occurs for all toilets at Embry-Riddle Aeronautical University where a black hole opens up to swiftly evacuate all contents of the toilet upon activation of the toilet lever.