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

by NachoNeko June 4, 2015

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 Nificus April 2, 2017

by TNFSG June 20, 2017
