A phrase used when an unholy act has been conducted in your vicinity and you would like it to be stopped

Can also be substituted with:
not in my Christian catholic household

Is usually used in the context of a joking manner unless it comes from the nun at your private school, and then be prepared for a firm ruler to the hands
ex1)
Stupid friend: *makes a sexual reference*
Me: not in my christian catholic school !!!!!!!!

ex2)
Stupid friend: *makes a sexual reference in my home*
Me: not in my christian catholic household !!!!!!!!

ex3)
Stupid me: *wears a skirt 4.5cm instead 5cm of the ground*
Psycho nun: NOT IN MY CHRISTIAN CATHOLIC SCHOOL !!!!!!!!! *pulls out ruler*
by YEET OR BE YEETEN November 26, 2018
Get a not in my christian catholic school mug for your brother Callisto.