Sniffing Tom
A person who stealthily sniffs other people's butts without them knowing.
Sam: Jimmy was caught hiding under the couples bed. A sneaky Peeping Tom he is.
Jeremiah: No he is a Sniffing Tom, he was sniffing their butts when they were asleep.
Jeremiah: No he is a Sniffing Tom, he was sniffing their butts when they were asleep.