Ur great grandmother is homosexual 

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

Ur great grandmother is homosexual by You're Mom Gay (Superior Form) September 5, 2019

go fuck your grandmother 

something you say when you're really pissed

go fuck your grandmother

ok i will motherfucker

go fuck your grandmother by stupidassedbastard October 21, 2015

Bathing Your Grandmother 

Blogging.

People who don't know the definition get pretty freaked out when you use it. Tis funny.

Hey
Hello!
What's up?
Bathing your grandmother.
Oh, what about?
The strangest thing happened today! I just had to write about it!

I am bathing your grandmother right now.
... no. Stop. Please. Why did you even bother telling me this?! I never asked to know! meh.
(This person may or may not have known that bathing your grandmother means blogging)

Bathing Your Grandmother by Welcome to Ohio September 23, 2009

great-grandmother-in-law 

The great-grandmother of one's spouse.

My great-grandmother-in-law is a good person.

great-grandmother-in-law by Rwopazaq November 24, 2019

The Grandmother Principle

A theory that was first described by Samuel K. Williams, III, MD, CPG and others that describes a unique approach to patient care relying heavily on the clinical gestalt of the practitioner, and the sociological imagination, or attitude of wonder. A biopsychosocial approach to patient care which is published in Meharry's Journal of Healthcare for the Poor and Underserved as--"Evidence-based Care for the Elderly: Uses of The Grandmother Principle."

Man, that physician really applied "The Grandmother Principle" regularly in patient care and with excellent results!

The Grandmother Principle by Maleek S February 23, 2020

3X-grandmother 

Great-great-grandmother.

My 3X-grandmother is a good person.

3X-grandmother by KL198 June 25, 2021

great-great-grandmother

Great-grandparent's mother.

My great-great-grandmother is a good person.

great-great-grandmother by Mr. Jacov November 23, 2019