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A helmet specially made for mentally slow people so that they do not injure themselves while performing menial daily activities. Usually given as an award for incredibly stupid or dangerous behavior.
Rob : Shit bobby just flipped over the coffee table in the dark again!

Jan : that dumbass, the light switch is right there!

Rob : Well, he gets the Indoor Helmet of the Day Award again!

Bobby : OWWWW!
by Kainaluboi July 06, 2012
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