sacradiliac 

metaphorical backbone or frame.
coined by Grandmastah flash

"Can't stop to turn around, I broke my sacradiliac."

sacradiliac by Will Blumenthal August 7, 2007

My neck, my back, my sacroiliac! 

A general complaint regarding minor spinal pain.

Elton: *after moving 5 heavy boxes* Oooh, my neck, my back, my sacroiliac!

My neck, my back, my sacroiliac! by Jim Milton July 26, 2019

sacradelicious 

When something really bad tastes so good.

"This kitten sandwich tastes sacradelicious!"

sacradelicious by B-Rad H February 10, 2009

Sacroiliac Pain 

From having your legs in an upright position for a prolonged amount of time.

Ryan has Sacroiliac Pain after getting pounded be Chris.

Sacroiliac Pain by Wizdom June 6, 2022