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A area in dublin 16 (knocklyon, rathfarnham etc.) where it is filled with posh snobs that are loaded with cash.
Just like actual d4's they hang out at dundrum where they spend all of their daddy's money in shops like tommy hilfiger, harvey nichols etc.
They are always seen wearin abercrombie, american eagle and hollisters hoodies, aswell as the girls sporting the usual uggs and dubes and the boys wearing brown dubes.
They ALL love rugby and attend the local discos every few weeks (judes, wesley). here they score other people and most likely get drunk.
d4's or d4 squared have a certain way of talking.
For example, instead of using the word 'right' they say roysh and "oh my god" will become OMG!
d4 squared language:
"omg i was loyk out at wesley, roysh, and this totally hot guy came up to me and loyk started to chat me up. after a while, roysh, i scored him and gave him my number! OMG!"
by laura walsh June 23, 2007
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southside area of dublin - upper rathfarnham/ knocklyon/ ballyboden/ ballinteer etc..
rich southside areas other than dublin 4. referred to as "d4squared". Big houses, big cars and loaded daddys.

they come in-
a) the "rocker" getup.. tight black jeans, studded belt, band tee, etc and moan about how hard life is being rich AND in a band. GAWWWD.
b) your typical d4 (see d4 head)..uggs-wearing, dubes-toting, abercrombie,sparkly belt,and face full of make up.

"D4 squared is SOOO the new D4"


There is also the "wannabe skanger"
They come from wealth,but wear tracksuits and talk with a thick dublin accent. Usually call themselves after their surname or add an 'O' to the end of their firstname.Found in the posher of the d4squared areas..such as knocklyon or upper rathfarnham.
by declanMAN March 29, 2006
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