Negative

What do you call a koala with a negative attitude? The bearer of bad news.
My drug test came back negative. My dealer sure has some explaining to do.
Did you hear about the mathematician who’s afraid of negative numbers?
He will stop at nothing to avoid them.
Did you hear about the mathematician whose afraid of negative numbers?
He’ll stop at nothing to avoid them.

How come old math teachers never die?
They tend to just lose some of their functions.
My wife is so negative. I remembered the car seat, the stroller, AND the diaper bag. Yet all she can talk about is how I forgot the baby.
Did you hear about the math professor who was afraid of negative numbers?
He will stop at nothing to avoid them.
A linguistics professor says during a lecture that, "In English, a double negative forms a positive. But in some languages, such as Russian, a double negative is still a negative. However, in no language in the world can a double positive form a negative." But then a voice from the back of the room piped up, "Yeah, right."
Did you hear about the negative nelly who hates German sausage?
He always fears the wurst.
Are electrons pessimistic or optimistic?
Obviously pessimistic, they are always negative!
I was born to be a pessimist. My blood type is B Negative.
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