when you get a blowjob from a woman with no teeth.
paulina popped out her dentures and gave me one of the best grandma's ever.
by sean January 3, 2005
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n. A long ash on the end of a cigarette, indicating that the smoker has not inhaled recently.
Johnny liked holding the cigarette to look cool, but he didn't like the smoke, so he always ended up with a grandma
by Methatsetis March 14, 2009
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A prison gang's headquarters or meeting place, or the cell of the gang leader.
by Dak4President January 19, 2017
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That's the grandma, means "it is what it is" or "that's awesome!"

Can be used when somebody announces something in any context and you don't know what to respond say " That's the grandma."
"Have you been to Warp Tour?"
"Yeah man! That's the grandma!"
by MajesticFox666 October 16, 2018
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your bong, new hip nickname in the sand hook/monmouth county are in nj.
Dude 1 : Yo, check my new grandma!

Dude 2 : Damn! She hits like Mike Tyson son!
by Wayneo Insano May 8, 2009
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SEE: vag (#2) especially look at the last example
I did your grandma but her vag was too fuggin loose!
by y-dont-u-die March 30, 2005
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