Granny-Shagger
British term for a young man who likes to have sex with older women. Usually a woman old enough to be his Mother or Grandmother.
"Jeremy, you're 19, and you're girlfriend is 52. You are nothing but a granny-shagger."
unstoppable granny shagger
An unstoppable granny shagger is someone who likes sex with women so much that he would go so far as to having sex with lots of grannies or grandmas, in order to fulfill his sexual needs.
Mate, you are an unstoppable granny shagger. WTF