A made up thing that most people have not heard off
"hey have you heard of vinegar fingers?"
"no i have not"
"look it up on google"

then the person would go home to find that it is nothing

Another Example

The person may pretend to actually have heard about it and call it disgusting even though it is not real
by dirtyface123445 November 21, 2011
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A female who arrives back from the toilet quickly and has clearly not washed her hands
You were quick, have you washed your hands? Smells like you have vinegar fingers!
by davjoe June 9, 2022
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