a contraction of radical and dude for stoners who can't be bothered to say the two words seperately
This weed's radoo.
by Manly Excellence December 07, 2011
The combination of the 2 words "radical" and "dude" resulting in a very cool unique adjective to describe the previous extreme actions of someone.
that freshie you floated was radoooooooooo
by monkey 56 July 21, 2008