Perfect

When you wipe your ass after taking a shit and the paper is still clean or when you take a shit and the turd goes straight down to the toilet, that seems it disappeared, and you don't need to flush it.
One of the 2 conditions above is needed to make a Perfect, but if both conditions are met, it will count as a Double Perfect, aka Perfect Double-Tapered Shit

Eg 1: Man, I've been eating so healthy lately that I'm just doing perfects on the toilet.
Eg 2: Dude, I just took a Perfect so fast that I even didn't hear it splashing. It went straight down the