awesome; cool usually surfer slang
surfer guy just nailed a wave

"dude that wave was so rad!"
by big booty. May 29, 2006
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a unit of absorbed dose of ionizing radiation, corresponding to the absorption of 0.01 joule per kilogram of the absorbing material.
That hippo just absorbed exactly 1.3 rads of radiation.
by Nerdinitup June 08, 2009
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a flippant and off hand way to refer to something as being cool, awesome or otherwise great.

Commonly used in the 80's but is experiencing a resurgence particularly from the hipster fixed gear bike scene.
1. "Man, that Pista would look totally rad with a tri-wing aerospoke."

2. "Dude, did you see that guy getting totally rad on his fixie, that 180 bunny hop was off the hook".
by TheRadness November 17, 2008
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When you text your crush and tell them you like them and they say they don't like you with a five paragraph text. All you have in mind is rad.
You: Hey I like you do you want to go out?
Crush:Sorry I don't like you but could we still be friends? I don't want to hurt your feelings .
via giphy
by nimnimjim November 29, 2016
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A young rapper from northern Europe. Born in 1997. Makes his own music videos and beats. Very underground, sometimes uses famous or underground beats. Usually very low budget but still best quality production. On the internet and other media sources he uses his name often with "Hip-Hop" behind it like: "Rad Hip-Hop" or RadHipHop for twitter and so on.
rad rapper hip hop Europe underground music beats quality
by Batman inc. January 03, 2014
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Slang and/or abbreviation for the word "radical."
"Our trip to the strip club was rad!"
by x January 31, 2003
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