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A lipstick mark left by an old woman who might or might not be a grandmother.
Eww! That granny stamp was moist!

Did you just get granny stamped?
by Racoons In A Trenchcoat October 16, 2019
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Jul 12 Word of the Day
The horrible moment when you realise that you have accidentally done something very slightly wrong which has very bad (usually embarassing) implications for you. This is typically the moment of realisation that you just sent a dirty text message to a close member of family, typically your mother, rather than the intended recipient.
Message: "i'm free this afternoon so come over and fuck me senseless, my parents will be out all day"
Recipient: Mum
Message Sent
- Onosecond occurs here -
by Jimmed September 26, 2006
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2
This is what tramp stamps become when these hotties hit their 60s and 70s. A tattoo on the lower back of a grandmother (possibly a GILF now).
That old lady must have been hot in her day, I'm sure she has a granny stamp to prove it!
by LeGogh February 20, 2010
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