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1.
A British person
Brian: How do you like your eggs; fried or fertilized?
Wil: Britto.
by Eccentric Entomologist February 09, 2011
 
2.
World Record Holder for largest cranium; The name of the 3rd Head Statue on Easter Island; Altitude Tank
That's the biggest Britto I have ever seen!
by SPO Hackenburg January 13, 2009