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My maths lecturer put a diagram up on the OHP today
It looked like a penis. There was giggling and he didn't know why. Then he took the acetate off and wiped the OHP down with a flannel. I said "What's he wiping off now?". Nobody laughed :(
It looked like a penis. There was giggling and he didn't know why. Then he took the acetate off and wiped the OHP down with a flannel. I said "What's he wiping off now?". Nobody laughed :(