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.
Did you go to Dad's house party? There sure were a lot of sniffers that wouldn't leave him alone.
by NiceOFFICIAL88 December 20, 2010
Top Definition
Someone who has a sexual fetish for nuzzling someone else's asshole with their nose.
Mike's a sniffer. Those girls at the bar just want to get sniffed.
by smurghi July 10, 2008
A male who sniffs around girls.

As in, one who attempts to ingratiate himself to a clique of attractive young women, in the hopes that he will copulate.

Then promptly moves to another clique when rejected.
Look at him sniffing around her again! (sniff sniff)
by Vodka Head March 22, 2005
Someone (usually a geeky little dweeb) that sniffs around a bird that you are trying to bang, even tho they know you like her!! Tryin' to get in there before you when you know they haven't got a chance because you and her have been emailing all day at work, rippin' the arse out of this little pest!!
Look at that little worm sniffing around Natalie again! He's got no chance man, he looks like Mr Beans stunt double! he's such a little sniffer!
by Phatzoot June 16, 2011
Often referred to as a gold digger and typically a female who is in the pre-]gold digging] stage. Applicable to men, but seen and most commonly referred to women who are looking for a male who has X amount of money....to spend on them...drives a luxury foreign car and/or wears a Rolex/Tag/Breitling.
Marianna & Jenn are both not dimers but are hot and are very cool. They are both totally the epitemy of a

sniffer because while they are always down to hang out with us....in hopes to sniff out who has the most money of us all.
by BunkyDaddy May 16, 2016
you and your girl are getting it on and your creepy friend and/or roommate is creeping outside your door and breathing deep.
George: what the hell are you doing outside my door?!?!?!

Steve: nothing man... i heard a strange noise and thought i would just check it out....

George: i could see your feet under the door and could hear you breathing asshole!! your such a sniffer!!!
by chloe mcgruber April 01, 2011
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