Those darn squirrels
Adam is in the garden of eden when suddenly he spots Eve.
They get chatting and he says
"Eve, sometimes i stick my knob in that hole in the tree."
Eve replies
"I've got a hole down here."
she then spreads her legs and adam starts kicking her between the legs. Eve says
"Ow! what are you doing adam?!?"
he replies
"just checking for squirrels!"