
The guy's name is William, "Bill".
"Bills to pay" - "Bill's toupée."
The brother is saying Bill left his wig. Hence the "where's your hairpiece".
I warned you it wasn't a very good joke.



I still have one like that somewhere. They tended to be one of two things -- one wheel and a faster wheel, or one vertical and one horizontal wheel. Were it not for the lack of back and forward buttons, and that is a ball mouse, I might still be using it.




look again, very carefully.How is that funny?



