back squirts 

Involuntary explosion of brown ass juice into your panties and up your back.

I ate a bunch of gas station sushi and I had the back squirts in front of my mom.

back squirts by stuberts October 22, 2015

back squirt 

an audible and explosive shit

guy 1- “I beat my record longest back squirt after taco bell last night!”
guy 2- “awesome! i beat mine last week!”

back squirt by To it April 24, 2020

Squirt it back

When an individual gets a load of cum in their asshole. They then precede to squirt it back.

“She told me to cum inside her ass”
“Little did I know is that she would squirt it back”

Squirt it back by Queef machine January 14, 2019