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
by sapnupuaslol101 March 21, 2017
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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!!"
by blueprintChris December 12, 2006
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