Though the following has little to do with mathematical humor, it is edifying to read. The items are forwarded via e-mail endlessly.
The bandage was wound around the wound.
The farm was used to produce produce.
The dump was so full that it had to refuse more refuse.
He could lead if he would get the lead out.
The soldier decided to desert the dessert in the desert.
Since there is no time like the present, he thought it was time to present the present.
A bass was painted on the ehad of the bass drum.
I did not object to the object.
There was a row among the oarsmen about how to row.
They were too close to the door to close it.
After a number of injections my jaw got number.
Upon seeing the tear in the painting I shed a tear.
Why doesn't Buick rhyme with quick?