A mustache on the forehead.
Woah! That guy has a sick forestache
by Asynchron December 29, 2011
1 more definition
Top Definition
When a unibrow is so thick that it becomes a mustache on the forehead.
"I have to go trim my forestache so it stops rubbing on the top of my glasses."
by CocoSantango February 23, 2010

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