Sniff the pooch 

The act of carefully and cautiously checking out a new person to decide if they're acceptable or not. Originates from the way dogs check each other out upon meeting.

I know you want your boy to come along but I'll have to sniff the pooch first and see if he's cool.

Sniff the pooch by Commonsinse February 14, 2006

sniff the cow

take a serious chill pill man

“Jerry is being a real hot head today. He should go sniff the cows.”

sniff the cow by bens crusty toes August 17, 2021

sniff the diff 

the act of smelling the feces of a person infected with colstridium difficile.

Terry: i had to empty a bedpan of c diff shit.

Someone else: gross. sniff the diff!

sniff the diff by f. nightingale September 1, 2010

The Stiff Drink 

The "Stiff Drink" is an uncommon term used to describe when a gay male gives a blowjob and swallows.

Went to Denny's to get one of"The stiff Drink" (s) they have in the back room.
(If you know what I mean.

The Stiff Drink by Ferin S. Zedlocke December 31, 2019

Sniff the wood

The act of giving a blow job with your nose instead of your mouth

He got really excited that I was going down him but was pleasantly surprised when I sniff the wood instead.

Sniff the wood by KaitLivPhil August 24, 2014

Biff the Stiff 

The act of calming down an erection using manual force in an awkward situation.

Jeez man, we're in Mothercare, biff the stiff!

Biff the Stiff by Souperman1234 September 4, 2010

Sniff The Toilet 

A word for when you ask the teacher to use the bathroom just so you can secretly skip a bit of class and they don't believe you.

Deniz: Mr.O, can I go to the bathroom?
Mr. O: What, so you can go sniff the toilet? You can wait until after class .
Deniz: C'mon man!
Mr.O: No.

Sniff The Toilet by Richeal Mosen October 6, 2016