1. The combonation of the ever-awesome name "Gus" with the word "mustache"
2. A type of mustache ranging from "Gustache" written with Sharpie on the upper lip, to just plain peeling skin on the upper lip from a wicked sunburn
2. A type of mustache ranging from "Gustache" written with Sharpie on the upper lip, to just plain peeling skin on the upper lip from a wicked sunburn
by Gustache Himself April 12, 2007
Get the Gustachemug. by Matt Cooksey February 22, 2008
Get the gustachemug. by Matt Cooksey February 22, 2008
Get the gustachemug. by LobYZ August 24, 2014
Get the Gustachemug.