477 means best friends forever or bff

There truly is no logic or reason behind that just something stupid teenager who can't spell, are too lazy to spell best friends forever.
Person 1: You know Sha-nay-nay??

Person 2: Yeah gurl! Why you know her too?

Person 2: Gurl, that's only my 477!
by Pablo Archila January 7, 2008
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