Jokes about blondes have been around for a lot of time, and the following is definitely put a smile on your face.
A blonde goes into a store and sees a shiny object on the shelf.
She asks the clerk, “What is that shiny object?”
The clerk replies, “That is a thermos.”
The blonde then asks, “What does it do?”
The clerk responds, “It keeps hot things hot and it keeps cold things cold.”