An Atlanta based internet registration company that provides youth soccer organizations with registration and website hosting. This company is an expert in providing youth sports with premium grade registration software.They are considerd they best registration provider in the country.

Blue Sombrero also is the parent company of The Administrator, the nations largest online Youth Soccer Administrator newsletter.
"Guess what dude? We are using Blue Sombrero's Platinum Service to register our teams, schedule our tournaments, and collect our club fees".

"Oh sweet man, that beats using paper registration methods anyday".
by Treestand May 13, 2008

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Top Definition
When a bald man inserts the top of his head into the vagina of the woman from Blue Waffles.
Dude1: Yo baldy, what'd you do last night?
Dude2: Got a blue sombrero from that chick from Blue Waffles.

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Lame corporate marketing campaign that is disguised as viral or hip.
Get Johnstone to do the blue sombrero for the Watkins account.

Check this out... somebody blue sombrero'd the shit out of Urban Dictionary.
by yodeler February 22, 2013

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