Snurcher
Someone who sniffs things, particularly dirty or unpleasant things such as a freshly used cycling seat at the gym
That man was snurching that lady’s gym seat. He had a real good sniff of it. He is a snurcher
Prangle Snurcher
The act of sniffing a warm bicycle saddle after the departure of its incumbent, normally for sexual pleasure.
I caught the local prangle snurcher sniffing the saddle on my girlfriend’s racing bike, the dirty pervert