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1.
The coolest skool on BRKLN
has awesome teenagers.
A MS51 person/teenager would be describe as awesome, smart, and cool.
A person whos hangs out with the cool
Girl :He is soo cool
othe girl; No shizz, he's from MS51, duh
by the51girl7 July 11, 2010
 
2.
A middel school located in center park slope brooklyn ny.Filled with uperclass yuppies and spoiled rotton teenager that think the are better than everybody else. For some obscure reason the school has a great repution but is filled with phonie teachers and teens
Girl walks up to best friend in ms51 lunchroom

"happy birthday what'd you get"

"um... cloths from all my trendy stores that i think are completly orginal but infact everyone shops there a new macbook a camera and an american express giftcard"

"for how much"

"1000"

"wow you parents aren't suffering at all from the repression"

"the what?''
by james d hoffman August 02, 2009