The fear of your shit splashing the toilet's contents up on your ass.

Urine that bounces off the back of a urinal covering the your arms in a fine mist of pee.

The effect of standing too close to a urinal or wall while pissing, and being covered with a fine rain of your own urine deflecting off the vertical surface back at you.

See 'drop zone' for related info.

When you take a heavy shit, and the water splashes back up, soaking your butthole. Usually in reference to an overused port-o-jon.
AKA stank water wash, mud cleanse, poor man's bidet.

a punk band in darlington the UK

The memory of a previously experienced wet dream.

Getting 'nam flashbacks after being covered in icy cold water
and ONLY icy cold water, tends to happen at waterparks and in the antarctic ocean.