1. The mother of one's stepgrandparent.
2. The stepmother of one's grandparent.
My step-great-grandmother is a good person.
by Elivaldeq November 24, 2019
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when there's an animal (Most likely a duck) in your backyard and you get your feeble grandmother to try and catch it
well that's one Grandmother trying to catch a duck
by Boi boi mega edge! April 19, 2018
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The ultimate counter to Ur mom gayest

it easily repels the attack while attacking the enemies life points directly
Tom: Hey faggot ur mom gayest
You: "Ur great grandmother is homosexual"
Tom gets AIDS
by You're Mom Gay (Superior Form) September 5, 2019
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Is a phrase to describe the vile stench of a specific odour which comes from expired processed foods, such as old potato chips. This phrase could also be used to describe a mushy and slightly moist substance. Specifically if a strand of hair is present within the mushy and moist substance.
"Hey Chris! have a whiff of these chips I bought from the vending machine!"
"WTF! That smells like Your Grandmothers Maggot Cheese"
"talk about gross!"

*Eating Lunch
"Eww! I found a hair in my food!"
"Wow! talk about Your Grandmothers Maggot Cheese"
by Meistro69 March 6, 2014
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The worse then Ur dad lesbian, Ur mom gay, Ur granny tranny, and your Grand pap a trap combined; Everytime it is said a galaxy gets sucked into a black hole
Jim: Ur granny tranny
John: Ur grandpap a trap
Jim: well your great grandmother a dick sucker
John: *Gets Sucked into a black hole
by jjjJJjjJj05 March 20, 2018
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