A Phenomenon that occurs when an excess of hair product coagulates to form a protective covering for one's head.
Were you just in a pool, or is that a gelmet?
by thecougar83 March 22, 2011
(noun)The helmet-like hairdo caused by the use of an excessive amount of (typically men's) hair gel.
Check out Tom's gelmet - he's definitely not getting any play tonight!
by conor dowling August 16, 2006

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×