A guy goes to the supermarket and notices a very attractive woman waving at him.

She says, 'Hello.'

He's rather taken aback because he can't place where he knows her from. So he asks, 'Do you know me?'

To which she replies, 'I think you're the father of one of my kids.'

Now his mind travels back to the only time he has ever been unfaithful to his wife. So he asks, 'Are you the stripper from the bachelor party that I made love to on the pool table, with all my buddies watching, while your partner whipped my butt with wet celery?'

She looks into his eyes and says calmly, 'No, I'm your son's teacher.'

Good once more.

BTW true story here. When my youngest son was in jn.high school I took him over to one of his friends houses for a sleep over.When I was leaving after dropping him off I mentioned to his mom that as he was so welcome there that her son was welcome to come over to my place to spend the night.What she heard was me inviting her to come spend the night.I could see the cold in her eyes at that moment + knew what she thought;I had to backtrack real quick + set the record straight.It worked,I think;at least she never invited me over.Thank God,that was a problem that I did'nt need.