A nun with a spear through her head.
A nun with a javelin in her throat. (The only joke I can ever recall when asked for one. Told to me by my art teacher in Grade 11. Needless to say, he was my favourite teacher)
Premature Edraculation
Because when a nun times anything it's zero. (0*n=0) :D
He puts it in the Wash.
Britney Spears
Nothing, he just staired.
It would cause them to be disappointed on many different levels.
They cut a head
Bangs his head against the wall.