What is 347?
1.
see the numbers 
347 area code in new york see
718 
2.
347 is a code to let all your closest people or homies friends all of that know theres goin 2 b a party or you going partyin but it's all goin down in NEW YORK CITY it dont matter where it's just going be happening in N.Y. so it goez for all the places BROOKLYN. BRONX, HARLEM, QUEENS, STATEN ISLAND, MANHATTAN.
YO YO YO IMMA DO A 347 ON DEEZ NIGGAS IT'S DRY AZ HELL N DERE'S NOTHING 2 DO. SO SPREAD DAT SHIT 347 WE GOIN IN 2NITE
OH WORD YO IMMA LET DA OTHER HOMIES KNO A.S.A.P.
FOR EXAMPLE
PARTY CHILLIN GETTIN FUCKED UPOR JUST CLUBBIN
See 
Random Words:
1. 
The spots of pee that are visable on a gals pants or skirt after taking a pee. Usually caused by excessive alcohol or being in a hurry.
.. 
1. 
slang for "in effect"
"Now that the bitches have arrived, the party is in effizat!"
See in effect, rockin', d..