march 11th. THE BEST DAY OF THE ENTIRE YEAR. the day to celebrate the band 311 in all their glory. every year on march llth this wonderous band plays in New Orleans. tie-dye shirts should totally be worn, and peace should be spread.
-ITS 311 DAY! We gotta go to New Orleans and see them play!
-in 2008, 311 day is also on fucking tuesday! So, it's two of the best days all in one!
by steven lebarron March 1, 2008
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311 is a number referring to KKK.

K is the 11th letter of the alphabet, and it has "three elevens", therefore making it 311.

A teen gang called "311 Boyz" started using the number back in 2003, the gang consisted of white and wealthy teenagers from Las Vegas. The gang had an estimated 140 members and had problems with the Las Vegas police because of violence.
Man, white kids are crazy! Have you heard about the 311 Boyz?!
by lil ungrateful March 26, 2018
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3+1+1=5
Asking a person locating or their background
What is he or she 311 I’m inquiring that person resume
by Big Nut May 7, 2023
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