Top Definition
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!
#hef sex #hefsex #grandpa sex #older guy #younger chick
by Bobo The Love Sponge July 27, 2011
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