1. the creature in harry potter that's rather fuzzy and can sniff out gold.
2. a word meaning "nothing" or "nevermind." a common abbreviation is "niff."

A person or people that purposefully causes chaos or mischief within a group for the sake of entertainment.

to go down on a woman

Human creatures who stalks public places to sniff unsuspecting patrons shithole. Rarely caught on film, though there is video evidence to prove there existence. Survives by being incognito or just downright sneaky this elusive fucks #'s are not known. Could be in the hundreds or millions surviving like the vampire: living in secret.