A guy is at the supermarket when he notices that the rather good looking blonde behind him has just raised her hand and smiled hello to him. He is rather taken aback that such a good looking woman would be waving to him, and although familiar, he can't place where he might know her from, so he says "Sorry, do you know me?"

She replies "I may be mistaken, but I think you might be the father of one of my children."

His mind shoots back to this past.

"Christ!" he says, "are you that stripper from my bachelor party that I screwed on the pool table in front of all my buddies while your friend whipped me with some wet celery?!"

"No", she replied, "I'm your son's English teacher."

Too close to reality....

Had to tell my wife ( retired english teacher ) that one!