1. Expression used to show amazement. Mainly from the beginning to middle of the 20th century, used today as a joke and when around old and/or religious people
who would probably take away your share of the will
if "holy fuck" or such was used.
2. A sexual position whereas the female bends over to the front, touches her toes and the man unpredictably comes up from behind to commence
the fucking whilst the surprised female exclaims "Golly Gee Wilikers!"