Synchronized Shitting 

When you and your best buds shit together, at the same time.

Synchronized shitting really brought us closer together, man.

Synchronized Shitting by reaganstump January 14, 2017

synchronized shitting 

when garrett an brett talk on the phone while taking shits, hearing their shit plop, and flushing at the same time

everyday at 3-ish o' clock

synchronized shitting by Garrett Warfield November 1, 2003

Spontaneous Synchronized Shitting Sarcoma

(SSSS) a serious disease characterized by unpredictable synchronized shitting of two or more people within 10 meters of each other and subsequent synchronized prayer for forgiveness.

"Can you imagine if today was Thursday instead of Tuesday?"
"Honestly, if it were thursday, we would all contract spontaneous synchronized shitting sarcoma and have to change our pants"

Spontaneous Synchronized Shitting Sarcoma by chessmasterflex January 20, 2010