Top Definition
To test if an item of already worn clothing is suitable to wear out. common amongst students who cant be bothered to do their washing.
Friend1:Hey man cant you just wear those boxers?
Friend2:(sniff test)yeah i can get a couple more uses out of those
by Sam Marston September 26, 2007

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When you are about to eat pussy, you slowly go down for the alls clear at the belly button. If you can get that far and it doesn't smell bad, you can safely proceed. If there is a stench, you can slowly work yourself back up and shove your dick/or pussy back in her mouth.
I performed the sniff test on Gina and she was all roses.
by PimpD April 25, 2004

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When a girl sniffs a guys junk to see if he's been fuckin around with someone else before he came home. If she smells vag, he's guilty as charged.
Girl: Get over here and drop your pants.
Guy arriving home after "working late": Shit, are you giving me a sniff test?
Girl: Youve been fuckin some other chick again havent you!?
by FunDotCom July 28, 2010

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Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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Similar to definition #1, but instead used to determine whether milk is safe to use. The sniff test is again largely used by students or others that only occasionally go to the shop.
Shit, I went to baste my pie but the milk's off. If only I'd done the sniff test then I wouldn't have to wash my pie.
by Captain Fibreglass July 27, 2010

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt