A sniffer, also commonly referred to as an "ass kisser," is one whom, basically, can't leave a person alone. A sniffer, will perform such actions as, following one around, calling or texting someone to almost no end, over complimenting a person to gain one's attention, and paying
frequently unexpected visits to one's home.
Sniffers can be commonly noticed at parties, events, family functions, in the work
environment, and most social
gatherings.