The math professor says, "Pi R square"....
But everyone knows "Pi R ROUND"!
While visiting Annapolis, a lady tourist noticed several students on their hands and knees assessing the courtyard with pencils and clipboards in hand.
"What are they doing?" she asked the tour guide.
"Each year," he replied with a grin, "the upperclassmen ask the freshmen how many bricks it took to finish paving this courtyard."
When they were out of earshot of the freshmen, the curious lady asked the guide: "So, what's the answer?"
The guide replied: "One."
Back in my hippie college days, a professor came up to me in the cafeteria and asked me, "Ya dig?"
I thought to myself, this guy's pretty far out. I answered, "Yeh, man. I dig!"
That's how I got hoodwinked into joining his archaeological expedition.
In anatomy class at medical school, suddenly one of the dead bodies sat straight up!
The instructor said, “OK, who said Abra-Cadaver?”