(noun)The helmet-like hairdo caused by the use of an excessive amount of (typically men's) hair gel.
by conor dowling August 16, 2006
Get the gelmetmug. A Phenomenon that occurs when an excess of hair product coagulates to form a protective covering for one's head.
by thecougar83 April 7, 2011
Get the Gelmetmug. by Geoff Bennett October 23, 2005
Get the Herman Gelmetmug.