A mustache that only appears occasionally. Origin unknown. First noticed as a shadow on the upper lip, may later show up in photos to the confusion of the clean shaven individual afflicted with it.
"Did you see that ghostache gigato was sporting at trivia last Tuesday?! Off the richter!!"
A thick, Freddie Mercury style mustache. Very frequently worn by openly gay dudes.
Rob decided to shave his 2 month beard off and only keep the big-ass gaystache on his trip to San Francisco for the laughs. The first day he arrived, 4 fellas approached him in an attempt to exchange numbers.