The act of smelling any drug.
But in particular, "Grass" as in marijuana.
Cooper was sniffing grass and began to cry.
by someone.you.know. July 31, 2011
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The first few weeks of the new year where old flames text, call or email wanting to see "how you've been....." They are sniffing you out to see if you would be open to another round of whatever you had in the past. Wise people will keep it moving and see it for what it is.
Friend 1: I just got 5 texts in 3 days from different guys I dated last year.....What is going on?
Friend 2: It's sniffing season....best to keep it moving.....
by KMGTEXAS January 10, 2014
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The act of smelling a cock to see if it has been up anyone's ass before you suck it and hoping it has.
I Tried to cock snif Ted to make sure he was with his boyhole Bob
by lovesarubber July 14, 2009
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A new sport were competitors have to catch a weasel in a defined space and sniff it 3 times to become the winner.

Or someone who can be sly and fiendy!
Weasel sniffing should be an olympic sport!

Or Scholesy is a weasel sniffer.
by Dan Wood September 29, 2008
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sniffing allllllll over the body. I love it when the big boys on the basketball court sniff me.
Slap that ass. Sexual Sniffing. mmmm. slap that kobe ass again. what do i smell like? a baby fetus.
by bigboyonthebasketballcourt December 9, 2011
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