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A person who looks and acts older than they should.
Why is she wearing sweat pants and reading "The Six Stages Of Menopause"? She is such a grandma, yet she's only 16!
by Elton April 08, 2003
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15
1. Who your kids have spent 95% of their life with
2. who ya kids live with
3. 30 year old woman whos 15 year old daughter/son has a baby
4. the one we call big mama
Mother: okay im going to leave you at Grandma house
Child: see you next week mommy

Man:Hey young lady is that your son
Woman carying a 2 year old: no this my grandbaby
by Akaya November 12, 2005
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16
Used to describe an overly cautious teenage boy who spends a large majority of his time talking to others instead of doing what he is supposed to. Generally takes up a lot of time doing absolutely nothing.
Guy: Damn, Jackson is being really slow.
Girl: Yeah, he's such a Grandma.
by ~*! June 30, 2012
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17
An old woman that makes you so mad you yell at her saying "STOP PISSING IN MY CORN FLAKES!!!"
Me:My grandma's pissing in my corn flakes
Jucenda:Is she really pissing in you corn flakes?!
Me:No >_>
by Neko Kidd September 24, 2011
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18
A little old woman depicted in cartoons as a hunchbacked russian with wrinkly skin and white hair up in a bun with remarkably tiny glasses and complains to his husband about every damn thing, often bakes cookies.
Grandmas are really old.
by Skin-Nerd July 19, 2005
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19
A prison gang's headquarters or meeting place, or the cell of the gang leader.
by Dak4President January 18, 2017
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