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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."
by Terrific2 May 09, 2018
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a person who prefers the sexual company of the elderly or those of the same sex.
Quentin: Jon seems to be getting onn very well with your nan.
Jeeves: They've been at it for 3 days now. He's a right grannyshagger.
by narch12 December 05, 2006
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