Slug Head 

Someone with a Mohawk on their head, usually un-gelled/flat and/or scruffy.

Looks like a slug on their head.

"Haha, take a look at Densley's Slug Head!!"

Slug Head by blueprintChris December 13, 2006

slug heading 

the act of pretending your are mentally retarded in public while being recorded for reactions

person 1: i dare you to go over to those people and start slug heading
person 2: okay but you have to next after me okay

slug heading by sapnupuaslol101 March 20, 2017

Slughead

When a person's hair looks like a slug/ is the same shape as a slug.

Joe Beton's hair reminds Dougy Wurtfeld of a slug.
Joe Beton has a slughead.

Slughead by Gerg Wilssain October 27, 2010

slughead

One with so much shit between his/her ears they can't form rational thoughts or predictable behavior.

"Those guys from FTR (ie. Teen Acne, Vortex, Concept etc.) are a bunch of whining slugheads."

slughead by Rustman December 18, 2002