The type of sexual encounter between a very old man and a woman who is several decades younger. It is quick and unsatisfactory.
- Oh man, Wendy totally had hef sex with her older boyfriend the other day. She came out the door two minutes later.
- That's her boyfriend? I thought he was her grandpa!
- That's her boyfriend? I thought he was her grandpa!
by Bobo The Love Sponge July 27, 2011