1. Grannies who get together on the weekends to "play chess" and "knit".

2. Elderly friends who have intercourse but are not seriously emotionally involved with each other.
"Rachel and I like to get together sometimes to have fun when my husband can't satisfy me. It isn't a big deal, we're just Grandmas with benefits"
by ClubBottle September 25, 2022
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A Machine That Not Only Pleases One's Grandma But Also Is A Grandmother Itself
My Grandma Machines Are So Wet.
by Mr. MooMar July 12, 2010
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Similar to the phrase that's what she said except that it refers to an old grandma in an sexual comment.
Betty: I like being on top the most.

Shaun: That's what grandma said!
by Axel Grimm July 2, 2011
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A grandma but i'm not exactly sure what city she lives in
Person 1: Hey, do you know where grandma is?
Person 2: No i dont really know that
Grandma Orlando: 🙌
by Enorma P. Ness September 18, 2023
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The one person in a community group chat, who regardless of age, is annoyingly friendly and only sends “May God Bless You” flower pictures or other impersonal greetings daily.
A: Hey, why did you leave the group chat?
B: The group chat grandma kept sharing minion memes and I couldn’t take it anymore.
by SadIrony May 26, 2021
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"Grandma's Pink Dinosaur" has definitely gotta be euphemism for something...
Yeah its gotta be your your grandpa's dick
by GrandmasPinkDinosaur November 10, 2019
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