A word that gained popular usage in the 1980s. It is an abbreviation or "radical," and is a synonym or cool and/or stellar. Synonymous with surf bums and teens who think they are still in the 1980s.
Surf bum: Duuude, I just got tubed in the most righteous wave today!
Valley girl with big blonde hair and spandex: Like, ohmygod, that is SO rad!
Valley girl with big blonde hair and spandex: Like, ohmygod, that is SO rad!
by Sir Joshizzle July 14, 2006

two of the baddest bitches in battle mountain that go by the names of Abbie and Hailey . Breaking hearts left and right , slayin hoes up and down
by -Axx October 6, 2016

by NachoNeko June 4, 2015

by TNFSG June 20, 2017

by Nificus April 2, 2017
