What is Fanny Hammer?
1.
A vibrator or dildo. So called as women can thrust it in and out of themselves with high speeds, hammering their vagina.
'Can you pick me up some AA batteries when you next go to the shop John, my fanny hammer's dead.'
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Random Words:
1.
When your with a girl(that youu know or don't shouldnt matter)
pretend to do the cheesy yawn and put your arm around when she look..