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1. A thin pedophile mustache usually on a teenage boy that can barely grow facial hair. Made popular by a dude named Goose who has a pedophile mustache.

2. A mustache on a dude named Goose.
Look at that odd GooseStache.
I am going to grow a GooseStasche.
When are you going to cut off your GooseStache
by !@#$$%$$$$$$ October 14, 2015
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