1 definition by xBenjamin

1: Although there are other "sexual" meanings for the "purple helmet". The core definition is to compare someone to a less intelligent person.

2: To call someone stupid or a insulting retardation.

3: A inside joke about insulting someone that does not know what a purple helmet is.
Tim, do you wear a purple Helmet after that stunt you just pulled?
by xBenjamin July 13, 2015
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