Ok I've got one.
This blonde goes into a hairdresser with a pair of headphones on and sits in the chair. The hairdresser explains to her that she can't be wearing the headphones because he cannot cut her hair with them on.
So she takes them off, and falls flat out dead on the floor.
The hairdresser is quite bewildered.. picks up the headphones and listens:
"Breath in, breath out. Breath in, breath out. Breath in, Breath out."
My driving instructor told me that.. hehe.
(I'm not exactly blonde, I used to be blonder and my x-boyfriend used to make blonde jokes and I just wanted to smack him.. doesn't get to me now though but probably cos my hair is more brown!)