Life
It works on the principle that People are more interested in others life than their own'.
AY E! I O U edit: added Y
A fridge --
With a porcupine, the pricks are on the outside
Because attachments are forbidden
Hey dad, let's tell a joke for car ma!
The punchline.
You'd think it'd be the punchline, but apparently it's funnier when the person feints...