abbreviation of radiator.
the rad isn't working! i'm fecking freezing.
by kellykellyrob April 14, 2007
Computer term: "Rapid Application Devolopment" Software used to devolop software easily and fast. RAD software usually does most of the work for you.
See term 2 of IDE.
Delphi 7 is RAD software.
by Alex January 16, 2004
A cooler way of saying somthing is awesome. Coming from snowboard and skate roots.
generikal.com is so ill its rad!
by generikal.com April 27, 2003
Another way to say "high"
Phil- Hey bill, did I tell you about the party last night?

Bill- Phil, I was AT that party last night

Phil- Well fuck... I was really fucking rad last night...

Bill- yeah.... you were Phil...
by Charlietoes August 22, 2009
1. (n) Friends =O
2. (adj) To be exceedingly cool.
OMG DUDE!your friends are frikken rad!

HAHA That Erin Kid Is RAD!
by KAYLEEEEEEEEENN January 11, 2008
definately the new word fer "cool"... so much cooler than cool
you: you're rad
me: thanks... i am quite rad
by josprettyrad August 22, 2006
A word brought back to life by a couple of high school kids in 2003 during third hour, which is rapidly growing in popularity.
Joey: "Dude, we should seriousley start saying rad"
Alex: "I second that motion"
by nello killer March 26, 2005
rad is the rassest word ever
rad is so rad, its radder then plaid , because everybody knows plaid is so rad
by anarchyincanada June 18, 2003

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