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what you do when you see someone you don't want to see; a fake mustache, using your finger.
"Shit, there's Bob! I'm gonna do a finger mustache, so he doesn't recognize me!"
by Clarice54354 October 13, 2008
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2
When you get a tattoo of a mustache on your finger.

Mostly intended for comedic purposes.
"Your new finger mustache tattoo is too funny!"
via giphy
by BlitheNIne April 07, 2016
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