Poop Sniffer 

When you sniff your toilet paper after you wipe your butt.

D: (comes out of the bathroom), Hey K do you ever sniff your toilet paper after you wipe? You know just to see if there is something wrong with you?
K: Oh my God that is so disgusting you are a poop sniffer...

Poop Sniffer by vsecrets April 28, 2006

Pootsniffer 

1.The Act Of Smelling Farts Or In This Case Poots.
2. A Name For Someone Who Steals Your Thunder.

1. Those College Guys Are Such Pootsniffers.
2. You Took The Words Right Outta My Mouth You Pootsniffer!

Pootsniffer by Heroine Star October 16, 2010

poopsniffer 

A poopsniffer is a person who likes to go around sticking their noses into other people's less than favorable circumstances.

Dude, you know I'm going through a divorce. No, you can't do my wife. You are such a poopsniffer.

poopsniffer by Sam June 9, 2003