What is Sniff Test?
1.
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.
2.
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
See 
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