Sniffing the hanky is a term referring to doing cocaine. It is used in real life, WWII.

In WWII Swedish scientists made a hankerchef made out of blood and cocaine. It attracted German search dogs, then jacked their nose temporarily. It was served to hide the Jews as they were shipped to Sweden.
Hey, you've been sniffing the hanky?
No. I got high off of something else.
by BoredomOfGods May 15, 2015
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The act of two people sniffing there pee because they are fucked up in the head like the one kid with a name such as ayden
Ayden sniffing pee causes him to go into changes and make the brain hurt, he get confused and starts having horny feelings towards couches.
by Tqwsniff April 5, 2018
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A girl that is always stuck up her man's ass. Even when she is not with him she goes by his house to sniff his underwear so she can smell his anus. These girls are usually immature, childish and hypocritical.
I can't stand sniffing britches, she must be shoved so far up Joel's asshole she can tell what kind of syrup he put on his pancakes.
by RJ Morgan October 14, 2009
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To detect the name/version of the web browser that has loaded an HTML page. Most often accomplished with Javascript or VBScript.
<script language=Javascript>
if(app.Name == 'Netscape')
{Alert('Using Netscape')}
by Steven Killick June 21, 2004
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The way to determine the life expectancy of a used urinal cake
"Hey, wanna go cake sniffing and let me know how long till they are spent"
by IPeeFreely June 22, 2008
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V. panty sniffing your own panties for sexual stimulation
n. (whiffy sniffer) one who sniffs their own genitals for kicks
n. alt.(whiffy sniffer) crazy, psychotic
v.Later that evening she was caught with her panties over her head whiffy sniffing the hell out of them.
adj. That whiffy sniffing ho was bad news from the get go.
by Steve, the stepfather July 25, 2006
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