sniffing 

1)To violently smell, deeply inhale

2)To snort

Everyone thought Julie was weird when we saw her picking up joeys cat and sniffing it.

"Remember that guy we met on the train yesterday? He sniffed me, like, right after you got off. Weirdo."

"Oh yeah man, we sniffed so many lines last night!"

sniffing by Rosemary stogner October 30, 2013

Sniffing 

Sucking, with one's nose, but not like as in 'Timmy, you suck', more as in 'straws suck'. Cannot be done underwater unless you happen to be a water shrew or star-nosed mole.

Sniffing is challenging to do underwater. Lucky us, otherwise we'd be able to smell all the fish.

Sniffing by Sniffatron 2000 June 25, 2018

Sniffing My Dick 

All up in my business

Dude! Quit sniffing my dick, man!

Dude, Ms.Brinkmann was totally sniffing today!

Sniffing My Dick by Jelly Jensen September 30, 2008

Sniffing Duck 

When, after taking a dump, the person using the toilet sniffs his horrid crap to stall when a person is waiting for them to finish up

Oh man! I really needed to use that stall but that guy pooping was such a sniffing duck to me!

Sniffing Duck by idkwutmynameis April 25, 2011

Sniffing the Biscuit 

when a person performing oral sex on another from behind puts their nose in the anus

Hey hon you got some "stuff" on your nose ugh....you were clearly sniffing my biscuit.

Bro Bro you were all up in that sniffing her biscuit and what not.

Man your a dam biscuit sniffer!

Hey, Hey I jumped on that and got so in to it I started sniffing the biscuit.

Sniffing the Biscuit by 12345678910123456789 November 19, 2011

Sniffing the cobra

After scratching your balls and/or ass you raise your hand as if it is a cobra about to strike and sniff the tips of you fingers.

Man I saw that dude sniffing the cobra in the locker room yesterday.

Sniffing the cobra by The Sikness June 30, 2011

Sniffing Dick 

The process of doing absolutely nothing at work.

Man those guys over there never do anything productive. They are always just bullshitting about fantasy football and banging chicks. They are always sniffing dick.

Sniffing Dick by DTallon October 15, 2009