[xp38]

Back in my high school days some guys used to describe going to the bathroom as snapping off a yard. That slogan underneath kinda fits that description.

[T-Bone Texan]

"...Back in my high school days some guys used to describe going to the bathroom as..."

At work a guy here calls it "Birthing a coil".

[bar sin·is·ter]

Pushing mud
Pinching a loaf
Launching the chocolate sub
Toilet muskie
Drop a deuce
Dropping the kids off at the pool